A small blast took place on Sunday evening on the Autostrad road near from Maadi traffic department, said Major General Magdy al-Shalaqany, deputy Interior Minister for Civil Protection.
Explosives experts and civil protection troops immediately headed to the blast area once they were notified, Shalaqany added.
News media were reporting that several people were injured due to the blast, but no official figures have been yet released.
Security source said that the blast occurred near the old Maadi traffic department was due to a "stun grenade", which intimidated citizens.
Edited translation from Al-Masry Al-Youm
