Two members of the Muslim Brotherhood were killed on Friday in a firefight with security forces in Damietta, an official source at the interior ministry told MENA agency.
The official said that two police officers were injured in the clashes in the Nile Delta city.
According to investigations, police forces discovered that a group of armed members of the outlawed Brotherhood were staying near Damietta police station.
As forces went to arrest them they starting shooting at the police, the security source told MENA.
Security forces intensified their presence following the clashes in the area.
Damietta was one of the strongholds of the Muslim Brotherhood group, from which hails ousted Islamist president Mohamed Morsi.