Three police officers and a taxi driver were killed in a militant attack on their car in North Sinai's Al Arish on Wednesday morning, Al-Ahram Arabic website reported.
Security sources told Al Ahram website that militants ambushed the taxi of the three officers.
The bodies were transferred to Al Arish military hospital.
Egypt has seen a spike in militant activity since the 2013 ouster of Islamist president Mohamed Morsi. Hundreds of security forces in North Sinai have been killed in similar attacks by Islamic militants in the past three years.