Egypt blast: Deadly explosion at Dakahliya security site
24 December 2013 Last updated at 06:49 GMT
At least 14 people have been killed and dozens more injured by an explosion at a police headquarters in Egypt, according to security sources and state media.
The blast took place in the Nile Delta town of Mansoura at about 01:10 on Tuesday (23:10 GMT on Monday).
Catharina Moh reports.