Crackdown on Cairo protests reportedly imminent

Hundreds of Egyptian security forces are on standby to move in on supporters of deposed President Mohamed Morsi, sources have told Al Jazeera.But the sources said there had been no specific date set to deploy. Thousands have been protesting for weeks, calling for deposed president MohamedMorsi to be reinstated.Al Jazeera's Simon McGregor-Wood reports from the pro-Morsi Cairo suburb of Nasr City.