A security source announced Thursday that the death toll of the terrorist attack in North Sinai's Al-Arish city reached eight, Youm7 News reported. On Wednesday, unidentified militants attacked a security checkpoint in Al-Arish, killing and wounding a number of police personnel. Since September 2013, Egyptian army and police have been carrying out an ongoing military campaign against terrorist groups in Sinai after they claimed responsibility for several deadly attacks targeting Egyptian military and police personnel.