Egyptian security forces arrested on Sunday four Muslim Brotherhood (MB) suspects over charges of inciting riot in Al Mahala province, northern Cairo, Al Bawaba News reported. The detainees had formed a terrorist cell inciting against security personnel in a bid to spread chaos and disturb public security, sources said. Detainees confessed of possessing fire works aiming to terrorize citizens during the holidays of Eid Al Fitr, the sources added.