A dozen attacks in Egypt's North Sinai province left at least 26 soldiers and police dead on Thursday, the Associated Press reported.
The coordinated attacks were claimed by an Egyptian wing of ISIS, Reuters reported. An army spokesman blamed the Muslim Brotherhood.
The attacks included a car bomb and mortars fired at a military base, as well as mortar rounds fired at a hotel, police hangout, and checkpoints.
About 60 people were injured, and state newspaper al-Ahram also said its office was destroyed.
Militants in the Sinai area have been at odds with police for months, the AP reported, and the region has been under a state of emergency with a curfew since an October attack that left 31 soldiers dead.