The so-called "Islamic State"'s affiliate in Egypt, 'Sinai Province', confirmed it had fired three Grad rockets at Israel, adding that it was in retaliation for Israel supporting Egypt's armed forces on Wednesday when the “jihadis” attacked army checkpoints in northern Sinai, Dail Mail reports.
The news comes as security was tightened up at Egypt's holiday resorts after ISIS killed 50 soldiers in an attack on military bases in Sinai.
On Wednesday, Egypt's military deployed F-16 warplanes to bombard ISIS fighters who battled troops in a North Sinai town after launching a surprise dawn attack on army checkpoints