A man arrested after a three-hour siege at a Co-operative bank in Watford was carrying a bomb, said police.Officers were called to the bank in Market Street at about 1020 BST.
The man, 23, was arrested by armed police after a stand-off which led to a large area of the town centre being sealed off.
At about 1345 BST Hertfordshire Police said officers had "successfully secured" the man's arrest. They said an explosive device had been found.
A police spokeswoman said: "An explosive device of some kind - as yet we don't know what this is - has been removed from this individual."
Ch Insp Mike Pryce, of Hertfordshire Police, told a press conference that army bomb disposal experts had been at the scene.
BBC
