Gunman kill six military police in Egypt, militant leader killed in car accident

Unidentified gunmen opened fire on an army police checkpoint on the outskirts of Cairo on Saturday, killing six officers, Egyptian state Egyptian state TV reported. A senior security source told state TV that two bombs found near the checkpoint had been deactivated. The army blamed the attack on the Muslim Brotherhood, according to a military statement. 
There have been several militant attacks on security forces since the army overthrew presidnet Morsi last July and about 300 security officers have been killed. One army officer was killed in an attack on an army bus on Thursday which Egypt also blamed on the Brotherhood, declared a terrorist group by the government in December. The Brotherhood condemned Thursday's attack and accused the military-backed government of trying to implicate it for political reasons.
The militant groupAnsar Beit Al-Maqdis, which has its base in the Sinai, said  in a statement published by the Associated Press, that one of its founding members, Tawfiq Mohamed Freij, died when a bomb he was carrying was set off by a car accident on Tuesday. According to the statement, Freij masterminded the group’s tactic of blowing up pipelines to stop Egyptian gas supplies to Israel. The statement also claims he was in charge of a failed attack on the interior minister in September.
Since the beginning of this year, the Sinai gas pipeline has been bombed at least five times. Attacks on pipelines over the past three years have repeatedly forced a halt to Egypt's gas exports to Israel and Jordan.
Egypt stopped supplying gas to Israel in April 2013, citing business disputes.