London hit again

Three trains and one bus bombed. No reports of anyone killed yet (and hopefully it stays that way).

From the AP wire

Explosions struck three London Underground stations and a bus at midday Thursday in a chilling but less deadly replay of the suicide bombings that killed 56 people two weeks ago.

Only one person was reported wounded, but the lunch-hour explosions caused major shock and disruption in the capital and were hauntingly similar to the July 7 bombings by four attackers.

The London police commissioner confirmed Thursday that four explosions took place in what he described as "a very serious incident."

"We've had four explosions — four attempts at explosions," Metropolitan Police Commissioner Ian Blair said outside police headquarters at Scotland Yard.

"At the moment the casualty numbers appear to be very low ... the bombs appear to be smaller" than those detonated July 7.

Police also said an armed police unit had entered University College hospital. Press Association, the British news agency, said they arrived shortly after an injured person was carried in.

Sky News TV reported that police were searching for a man with a blue shirt with wires protruding. In a memo to hospital staff, officers asked employees to look for a black or Asian male, 6 feet 2 inches tall, wearing a blue top with a hole in the back and wires protruding

Go to BBC News for more information.