Armed police prepare guns outside a building near Tottenham Court Road in central London, Friday, April 27, 2012, after an incident was been reported in the area. Heavily armed, masked police surrounded a site in central London on Friday after a woman reported that a mentally unstable man had walked into her office threatening to blow himself up.(AP Photo/Kirsty Wigglesworth)
The suspect at the center of a three-hour siege that shut down part of a busy section of central London on Apr. 27 has been arrested, police said.