CAIRO, Jan. 26 (UPI) --
An insurgent attack on a military bus near a security checkpoint in Sinai Sunday left four Egyptian soldiers dead and 13 wounded, the army said.
The ambush came one day after militants said they shot down a military helicopter in the restive Sinai region.
The Sunday morning attack occurred about 50 meters (55 yards) from a security checkpoint, Ahram Online reported.
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