The Egyptian army arrested Friday four Wilayat Sinai terrorist group militants in North Sinai governorate, Sky News channel reported. 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. In 2014, the group announced its allegiance to Islamic State (IS) jihadist group.