The army spokesman said security forces operating in North Sinai killed four terrorists, including a leader in Ansar Jerusalem. Forces also reportedly arrested four terrorists trying to flee to the Gaza Strip. Authorities jailed three figures known for their roles in the 2011 uprising against the Mubarak regime. A recent Hamas rocket launch landed in Egyptian territorial waters. Security sources claimed that Ahmed Salama Mabrouk, a member of Egyptian Islamic Jihad, plays a key role in Ansar Jerusalem.