Arish, Egypt, Shawwal 14, 1433, Sep 1, 2012, SPA - Egyptian security forces Saturday arrested a militant leader suspected of being involved in an attack that killed 16 security personnel in the Sinai peninsula. Police forces raided a hide-out in Sinai's Sheikh Zuwaid town, near Egypt's border with the Gaza Strip and Israel, after it received information about militant cells hiding in it, a security official told dpa. Egyptian troops killed 11 militants in a military campaign launched in response to the attack on a checkpoint in Rafah on August 5.