Debris and a fire after clashes in Cairo
Media playback is unsupported on your device

Protesters killed in Cairo clashes outside defence ministry

2 May 2012 Last updated at 12:56 BST

At least 20 people have been killed in Cairo in an attack on a protest near the Egyptian Ministry of Defence.

The unknown attackers used rocks, clubs, firebombs and shotguns. The protesters retaliated, beating some assailants.

Jon Leyne reports from Cairo.