Three Egyptian soldiers were killed Monday and three others critically wounded in a Roadside bomb attack in the restive Sinai Peninsula, police and medical officials said. Egyptian security forces have been battling an Islamist insurgency in **rth Sinai since the army ousted president Mohamed Morsi in July 2013. "Gunmen remotely detonated a Roadside bomb when a military vehicle drove by, near a security checkpoint in Sheikh Zuweid city," east of the provincial capital of El-Arish, a police official told AFP. A health ministry official in **rth Sinai said three soldiers were killed and three others critically wounded.