Isis claims responsibility for a rocket attack against an Egyptian navy ship

Isis claims responsibility for a rocket attack against an Egyptian navy ship in the Mediterranean Sea - Middle East - World - The Independent: 

A spokesman for the Egyptian military, Brigadier General Mohammed Samir said the vessel caught fire during an exchange of fire with "terrorists" on the shore, and said no crew members were killed.
He did not specify the extent of the damage, but security officials said that a number of crew members suffered injuries during the attack, and several jumped overboard to escape.