When President Abdel Fattah al-Sisi came to office in June, he declared that security operations in Sinai will remain ongoing until terrorist havens used by extremists in attacks against military, police and civilians in Sinai are destroyed.
Security services have escalated its operations in North Sinai since then. Meanwhile, terrorist operations against police and military resumed. The latest attack took place on Friday, when at least 26 armed forces elements were killed.
Here's a fact sheet of terrorist operations and security raids in Sinai since Sisi took office, in comparison to the previous year, which followed removal of the Muslim Brotherhood rule.
2013
June
Terrorist operations
Shooting the central security camp in Rafah, no injuries.
Unknown gunmen kill Interior Ministry detective in Arish, injure his driver.
Gunmen attack al-Reesa checkpoint, which saw several attacks since January 2011
Gas pipeline exploded in South Arish for 16th time
Gunmen attack Sheikh Zuwaid police station. Three police elements injured.
Gunmen fire two missiles against Arish police station
July
Attack using mortar missiles, RPGs and guns against central security camp in Rafah
Police captain injured in armed attack against Arish airport
Citizen killed, two conscripts injured in shooting al-Goura security ambush in Sheikh Zuwaid.
August
Firing RPG missile against hotel in Arish where officers were staying
Gunmen kill policeman in Arish
Gunmen shoot fire against radio building in North Sinai
15 soldiers, two injured while heading to central security camp in Rafah, in an armed attack in Sadout area.
Unknown elements set Arish local council on fire. No losses
Four conscripts killed, five injured in attacks against al-Safa and al-Sukkar checkpoints in Arish.
Unknown gunmen fire three RPGs missiles against Arish police station
September
Conscript killed, eight injured in attack against bus in Arish
Eight jihadists killed, 20 injured during aerial attack against terrorist spots in North Sinai.
Four killed, three injured at least in a bombed car accident outside military intelligence building in Rafah
Central security element killed in Arish attack using RPG
Officer killed, three conscripts injured in armed attack against military vehicle in Arish
Gunmen bomb armed forces security checkpoint, south Arish, using RPG. No casualties reported.
October
Unknown gunmen kill policeman in Arish
Conscript injured in armed attack against bus in Sheikh Zuwaid
Three conscripts injured in attack against bus in Sheikh Zuwaid
Three conscripts injured in Arish attack
Police sergeant killed in Obour district in Arish
Two conscripts injured as armed forces vehicle was bombed in North Sinai
Officer killed, five security personnel injured as bomb exploded in Rafah
Gunmen killed officer in attack against security checkpoint, central Sinai
Police and military raids
June
10 suspects, including extremists, accused of attacking security checkpoint in Sinai, arrested.
12 suspects accused of attacking security ambushes in Sinai arrested.
July
10 terrorists killed in Sinai. 20 others arrested within the following few days.
Armed forces arrested three masked gunmen before attacing Arish security ambush
August
Armed forces helicopters bomb jhadists training centers, south of Rafah.
Military declared killing of two, injury of four in aerial bombing of extremists spots in North Sinai
Seven suspects arrested in Sheikh Zuwaid
Military raided terrorist havens in Sinai, arrested 11 terrorists, including two Palestinians.
19 suspects accused of attacking security troops in North Sinai arrested.
September
Five suspects accused of attacing police ambushes and headquarters arrested
Military destroyed seven tunnels in Rafah
Salafi leader in Arish Assad al-Beik arrested.
Military foils car-bomb attack against security ambush near Arish airport.
Terrorist Ismail abu Sheita arrested
15 extremists arrested
October
150 suspects arrested, fake military outfits confiscated
Seven jihadists arrested, 49 havens destroyed
10 bombs, five missile launchers seized
Heavy weapons including anti-craft gun seized
Seven Palestinians arrested in Arish for infiltration
Suspect, accused of attacking military, nine Sudanese infiltrators arrested
20 fuel containers, five stores destroyed.
Four mines, six houses, 29 havens destroyed in Rafah.
20 oil containers, 10 houses destroyed.
Workshop for making fake military oufits seized.
2014
Terrorist operations
June
Four conscripts killed in Rafah as gunmen shot them near to central security camp
July
Conscript killed, four injured as armored vehicle was bombed.
Ansar Bayt al-Maqdis post video for launching five missiles against Israeli settlement
Soldier killed, two injured as two missiled sho in Arish
Eight persons including soldier and child, 27 others injured ar mortar missiles shot against Arish, North Sinai.
Natural gas feeding industrial zone, south Arish, destroyed
Gunmen killed two armed forces generals
Four children kiiled, six injured by mortar missile shot against house.
August
Child killed, parents, two siblings injured as missile shot against their house in Sheikh Zuwaid.
Four decapitated bodies found in al-Goura area in Sheikh Zuwaid. Ansar Bayt al-Maqdis claim responsibility.
Six conscripts injured as bomb exploded on international road in Sheikh Zuwaid-Rafah.
Border troops element killed in Rafah by gunmen
Three policemen killed in clashes between central security troops and armed elements in Arish
September
11 conscripts killed, two injured as as bomb exploded on international road in Sheikh Zuwaid-Rafah, North Sinai.
Ansar Bayt al-maqdis claimed responsibility for murdering nine citizens for dealing with Israel against the group
Police sergeant killed in Obour district in Arish, North Sinai
Child injured as mine exploded in Sheikh Zuwaid
Missile shot near al-Zohour security camp in Sheikh Zuwaid, North Sinai. No injuries reported
October
Ansar Bayt al-Maqdis posted video for murdering three Sinai residents over spying with Israeli Mossad and fourth citizen for cooperating with military
Unknown elements blast gas pipeline to Jordan
Two conscripts killed, eight injured in police vehicle bombing
Unknown elements launched RPG missile against Rafah security camp
Four central security elements killed in North Sinai, six others severely injured, as two armored vehicles were bombed in Arish
Six conscripts killed, five injured as two armored vehicles were bombed
26 armed forces personnel killed, 27 others injured in Karm al-Qawadees blasts, Sheikh Zuwaid
Police and military raids
June
Armed forces killed two extremists, arrested 19 suspects for joining terrorist group
Eight gunmen killed, police conscript injured in clashes in Sheikh Zuwaid
Four suspects arrested, three vehicles used by terrorists destroyed
15 members of Islamic State tried to infiltrate into Sinai via Rafah tunnels announced to be arrested
Gunmen attacked Sheikh Zuwaid police station, three security personnel injured
Officer killed, three injured in attack against security checkpoint in Sheikh Zuwaid
July
17 suspects arrested
Seven extremists killed in Arish
Khaled al-Meneiy, brother of Ansar Bayt al-Maqdis head, announced to be killed during raid in North Sinai
17 extremists killed, 47 others arrested in raids in villages of Rafah, Sheikh Zuwaid, South of Arish
Officer, conscript killed in North Sinai
August
Eight suspects killed, 17 others arrested over involvement in violence
Attacks using Apache against villages, south of Sheikh Zuwaid
US soldier, of peacekeeping troops, injured
14 gunmen killed during armed forces attacks
Two members of Forqan brigades, nurse of Arish public hospital arrested for possessing military outfits
Nine extremists killed, 15 others arrested
Terrorist Fayez abu Sheta, accused of kidnapping seven soldiers under rule of Mohamed Morsy, killed
Six members of Ansar Bayt al-Maqdis killed, 10 others arrested
September
11 extremists killed, six injured in military raid
Nine extremists of Ansar bayt al-maqdis killed
Military spokesperson posted photos for extremists who exchanged fire with military during security raid
25 terrorist havens, two stores of bombs destroyed
Two Ansar bayt al-Maqdis members killed
North Sinai security department's vehicle bombed while combing process, killing officer and five conscripts
Ansar Bayt al-Maqdis killed while planting bomb
18 extremists, including Ansar Bayt al-Maqdis leader, killed
October
16 extremists killed
20 members of Ansar Bayt al-Maqdis killed, 15 others injured
Six extremists arrested
Underground hospital to treat terrorists seized
Ansar Bayt al-Maqdis leader Walid Waked arrested
Two officers killed, two conscripts missed as smuggling tunnel collapsed
10 gunmen possessing grenades arrested
Six killed, four injured, five arrested over blasting two armored vehicles
Seven persons given final death sentence, two others given life sentence over involvement in Arab Sharkas terrorist cell
Four Ansar Bayt al-Maqdis members killed
Most raided places
Gas pipeline, south of Arish: four times
Sheikh Zuwaid police station: two times
Central security Camp in Rafah: five times
Al-Reesa checkpoint: 11 times
Al-Goura checkpoint: one time
Arish police station: three times
Arish local council: one time
Al-Sukkar checkpoint, Arish: one time
Police hotel, Arish: One time
Radio building, North Sinai: one time
Al-Safa checkpoint, Arish: One time
Military intelligence, Rafah: one time
International sign no. 17. south Rafah: one time
Obour district, Arish: One time
Tor road: one time
Al-Salam suburb security camp, Arish: one time
Al-Zohour camp, Sheikh Zuwaid: one time
International road Arish-Sheikh Zuwaid: six times
Edited translation from Al-Masry Al-Youm