CAIRO, June 11 (Aswat Masriya) Three people, including a civilian, were wounded on Wednesday in a shooting by unknown assailants on a security truck in Arish city in northern Sinai. 

The culprits escaped after the attack which wounded two security forces and one civilian, a security source told Aswat Masriya. 

Security forces are currently combing the area in search for the attackers. 

Attacks against security forces have increased since the ousting of President Mohamed Mursi of the Muslim Brotherhood last year.