Al Jazeera has obtained footage showing violent clashes between Mubarak loyalists and pro-democracy protesters on the night between February 2 and 3.

In one clip, Mubarak loyalists are seen driving into a crowd of pro-democracy protesters, who then set upon them.

In another, shots are fired on protesters on a bridge.

Al Jazeera's Andrew Simmons in Cairo has more.

[Warning: the images in this footage may disturb some viewers.]