A policeman has been killed and another wounded in a drive-by shooting east of Cairo, state news agency MENA reported.
Unknown assailants in the canal city of Suez opened fire at a police patrol on a highway late on Wednesday, killing a police recruit who was driving the vehicle and injuring a lieutenant.
Attacks by Islamist militants against security forces, including small bombings and drive-by shootings, have become commonplace in the capital and other parts of the country since the 2013 ouster of Islamist president Mohamed Morsi.
The bloodiest attacks on security forces have taken place in the border Sinai region.
Hundreds of police and military personnel have been killed in these attacks, according to army statements.
The Egyptian army also says that it has killed and arrested hundreds of Islamist militants.
On Monday, Egypt launched air raids Islamic Sate group which beheaded 19 Coptic Egyptians and one African Chrisian earlier this week.