Al Arish, Egypt: An Egyptian security official says suspected militants have killed a police officer in the north of the restive Sinai Peninsula.

The official says the attackers opened fire at the policeman as he was walking near his home the city of in Al Arish on Friday. The official spoke on condition of anonymity because he was not authorised to speak to the media.

For months now, militants in Sinai have targeted security forces. The army has launched a counter-insurgency operation.