source: Twitter; Amaq; Facebook
actor1: Islamic State (Egypt)
actor2: Military Forces of Egypt (2014-)
location: Al Arish
notes: On May 21, South of Al Arish, close to Lafn ambush, IS militants detonated IEDs against a military bulldozer, a tank and a foot patrol. IS IED attacks on 21 May reportedly killed 6 people and injured 20 in Al Arish and Rafah, and were split across three events.