Around 1,500 protesters have stormed Alexandria's state security headquarters after earlier clashes with police, gaining control of its lower floors and driving police officers to hide in the upper floors of the building, witnesses and protesters told Al Jazeera
http://english.aljazeera.net/news/middleeast/2011/03/201134228359128.html
Video:
http://www.bbc.co.uk/news/world-middle-east-12656776