(CNN)Thirteen Egyptian policemen were killed in a mortar attack in Sinai, the country's Interior Ministry said via Facebook on Saturday.
Egyptian police die in mortar attack
The mortar round targeted a checkpoint in al-Arish, according to the ministry. In a statement posted online, ISIS claimed responsibility.
Egyptian state media reported that "security forces are currently undertaking operations to catch the armed men, who launched mortar shells at the checkpoint in the El-Safa neighborhood of the city."