Military air strikes killed 27 Islamic militants in Egypt’s Northern Sinai on Friday in one of the biggest security operations in the region in months, security sources said.

Apache helicopters targeted militants from the Sinai Province group, which pledges allegiance to Islamic State, the ultra-hardline militants who have seized swathes of Iraq and Syria, the sources said.

Sinai Province, fighting to topple the Cairo government, has claimed responsibility for coordinated attacks that killed more than 30 members of the security forces in late January. [..]