Just after 1 a.m. on Dec. 24, a massive explosion struck the Daqahliya security directorate in Mansoura, Nile Delta. Video and photos from Mansoura showed an explosion far larger than what was seen in Ismailia on Dec. 12. The exact cause of the explosion in Mansoura has yet to be determined, though early reports have suggested a car bomb.

The explosion, which killed at least 12 people and injured around 130, also caused a nearby bank building to collapse and destroyed a number of vehicles, state-run MENA reported. “Most of those killed were among policemen inside the security headquarters whose bodies were buried under the debris,” the Associated Press reported.

The number of wounded is the most in a single attack since the overthrow of the Muslim Brotherhood’s Mohammed Morsi in early July. Among the wounded are two top security officials, Reuters reported, citing state TV. MENA identified the two officials as Daqahliya security chief Major General Samy el-Mehy and Director of the Investigation Department Brigadier Said Emara. […]