The Egyptian army killed 20 militants related to Wilayat Sinai terrorist group during an airstrikes witnessed in North Sinai's Sheikh Zuweid cities on Friday, Al Bawaba News reported. Security source said that the army had launched several airstrikes targeting terrorist hideouts in Sheikh Zuweid, killing 20 militants. The source added that during the last 72 hours, the army killed more than 150 Wilayat Sinai militants as well as wounding dozens. Since September 2013, the Egyptian army has been carrying out an ongoing military campaign against Wilayat Sinai, formerly known as Ansar Bayt Al Maqdis, after it claimed responsibility for several deadly attacks targeting Egyptian military and police personnel.