Four Takfiris were killed Tuesday and three others arrested in a security operation in Arish, Rafah and Sheikh Zuwaid cities in North Sinai, security sources said.

The forces also destroyed a number of hotbeds, including two houses and two huts, and seven motorcycles used by terrorists to attack police and army troops, the sources added.

Meantime, three explosive devices, planted by terrorists, were detected then blown up without any casualties.

Earlier, Military Spokesman Brig. Mohamed Samir said four terrorists were killed and a very dangerous one was arrested while attempting to escape from Sheikh Zoweid in North Sinai.