At least 25 members of the Egyptian security forces were killed in a car bomb attack on a checkpoint in the Sinai Peninsula on Friday, security sources said.

That number was up from the 10 earlier reported dead. 

At least 27 soldiers were injured in the attack in the al-Kharouba area northwest of al-Arish, near the border with the Gaza Strip, sources said.

Eyewitnesses had earlier heard a loud explosion near the Egyptian town of al-Arish in the Sinai Peninsula on Friday afternoon in what appeared to be an attack on a nearby army installation.

Security forces face a jihadist insurgency that has killed hundreds of soldiers and policemen since the army toppled President Mohamed Morsi of the Muslim Brotherhood last year after mass protests against his rule. Most attacks have been in Sinai.

Six soldiers were killed on Sunday by a roadside bomb southwest of al-Arish.
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