The Islamic State has claimed responsibility for a sophisticated, multi-pronged attack against at least six army and police stations in Egypt Wednesday. Approximately 70 militants used RPGs and mortars to besiege the main police station of the town of Sheikh Zuweid, according to Egyptian officials.

"Our forces returned fire, killing 22 terrorists and destroying three land cruiser vehicles loaded with 14.5mm anti-aircraft weapons. Ten of our valiant armed forces were martyred thus far. Our forces continue to comb the areas around the site of the attacks in order to eliminate what's left of the terrorists. Clashes are continuing," said Egypt's military spokesman Brig. Gen. Mohammed Samir in a statement on his official Facebook page, the Jewish Press reported.

Security officials say at least 50 Egyptian soldiers were killed in the attacks, ABC News reports.

Two of the six checkpoints the Islamic State attacked were completely destroyed, officials said according to the Associated Press.

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