Egyptian Military Fires Missiles at Suspected Islamist Terrorists in Sinai

At the Times of Israel, "At least 20 killed as Egypt strikes back at suspected terrorists after checkpoint.

Also, at Yedioth Ahronoth, "Egypt army kills 20 terrorists in Sinai":

Troops, jets kill terrorists, destroy armored cars after Sinai attack that killed 16 Egyptian border guards. Earlier, armed men, security forces clashed at Sinai checkpoints.