Fifth arrest in PM 'plot' probe

Detectives investigating a suspected plot to kill Prime Minister Gordon Brown have arrested a fifth man under the Terrorism Act.

A 29-year-old man was arrested in Derby on Tuesday for alleged offences under the Terrorism Act 2000.

Officers are searching an address in Derby, which will take several days.

The arrest is part of an ongoing investigation by Greater Manchester Police Counter Terrorism Unit and Lancashire Police.

Five men are now being held in custody. Three were arrested at Manchester Airport and in Accrington on August 14, and a fourth was detained in Blackburn on Tuesday.