Emergency services have been called to three Tube stations after "incidents", Scotland Yard said.
Police confirmed they had been called to Warren Street, Oval and Shepherd's Bush stations.
There have been reports of smoke coming from the stations and all three have been evacuated.
The whole of the Northern Line has been suspended, along with the Victoria Line and the Hammersmith and City. There are no reports of any casualties.
A spokesman for London Underground said the nature of the incidents was unknown.
One hospital, near Warren St station, has started its emergency plan.

Train passengerIvan McCrackentold Sky News he spoke to an Italian man who witnessed an explosion.
"He told me he had seen a man carrying a rucksack which suddenly exploded. It was a minor explosion but enough to blow open his rucksack. Everyone rushed from the carriage. People evacuated very quickly. There was no panic.
"I didn't see anyone injured but there was shock and fright.
"There was a smell of smoke."
"The man who was holding the rucksack looked extremely dismayed.
Police have cordoned off the streets around Warren Street station. They said a suspect package had been reported on a Victoria Line train.
Sky reporter Mark White said authorities are "pushing everybody as far back from the station as they can".
It is two weeks to the day since bombers attacked three Tube trains and a bus in central London.
Another eyewitness, Sosiane Mohellavi, said "Everyone panicked and people were screaming.
"We had to pull the alarm. I am still shaking."



another bomb?

Mantings: you are correct I'm reading that evacuations have occured at OVAL, WARREN ST & SHEPARDS BUSH.... I just hope it is not part two because this is when the shit will hit the fan...

refresh

this saint anything

Probably some asbo-holdong chavs from Essex wwanting to a make a name for themselves. Or maybe its the governemtn trying t soke up the climate of fear

All I know is that oi need to watch Diagnosis Murder so the BBC better not lock it off

Waste

Warren Street - nail bomb, 1 person injured

Sheperd's Bush- small explosion using a back pack, but the suspect escaped

It is really going to kick off now...

Now I am worried, I hope this country doesn't experience what my country did (911) because I don't know how the Brits will react to senseless killings conspired by evil people. I hope all of you are well and stay safe, I am bared from going to London until the situation improves.

TUBE BLASTS CONFIRMED

Bombers have again targeted London's transport system - with up to four explosions reported.
Metropolitan Police Commissioner Sir Ian Blair said the bombs appeared to be smaller than used in the attacks two weeks ago but advised people to "stay where you are".


Passengers reported one blast at Warren Street station off Tottenham Court Road in central London.

There has also been an incident on a bus in Hackney, East London.

Stations at Warren Street, Oval and Shepherd's Bush have been closed.

Scotland Yard have confirmedthere is an incident involvingarmed police officersat University College Hospital in Bloomsbury near Warren Street station.

Men in chemical protection suits have been seen appearing to enter Warren Street,where British Transport Police say one person has been injured.

Services on the Victoria, Northern and Hammersmith & City and Bakerloo Lines have been disrupted. The Victoria Line has reopened on either side of

Metropolitan Police Commissioner Sir Ian Blair described the incidents as serious and advised people to stay where they were.

Emergency services started receiving calls just after 12.30.















Bus in Hackney





At Warren Street there were reports of shots and a nail bomb explosion. Sky's Crime Correspondent Martin Brunt said police believe this may have been the sound of detonators going off.

Victoria Line train passenger Ivan McCracken told Sky News he spoke to an Italian man who witnessed an explosion just after the train arrived at the platform.

"He told me he had seen a man carrying a rucksack which suddenly exploded. It was a minor explosion but enough to blow open his rucksack. Everyone rushed from the carriage. People evacuated very quickly. There was no panic.

"I didn't see anyone injured but there was shock and fright.

"There was a smell of smoke."

"The man who was holding the rucksack looked extremely dismayed."

One witness told Sky News that passengers tried to prevent a man with a rucksack running away but they failed.

At Oval station there were reports of a man dumping a rucksack in a carriage then fleeing as the doors closed.














Stations affected





Police cordoned off the streets around Warren Street station. Sky reporter Mark White said: "Police activitysuggests that they are looking for somebody on the outside here."

Scotland Yard said emergency servicesresponded to an "incident" on a Number26 bus in Hackney Road, on a junction near Colombia Road, east London.

Bus operator Stagecoach said the driver heard a bang at around 1.30pm.

The bus had left Waterloo and was in Shoreditch when the incident happened.

"The driver heard a bang which appeared to come from the upper deck. When he went upstairs to investigate, the windows on the upper deck were blown out.

"The bus is structurally intact and we don't have any reports of injuries," said a spokesman.

Sky News Foreign Affairs editor Tim Marshall said: "There isnobody anywhere near the bus. This does indicate that police think it is still dangerous."

Sky News Online's Rob Cole is at Shepherd's Bush. He said: "The whole of Shepherd's Bush Green is sealed off. About 400 metres on both sides of the Tube station is affected."

Network Rail say all mainline train services are running from London stations.

It is two weeks to the day since bombers attacked three Tube trains and a bus in central London.

A number of Tube stations have been evacuated and lines closed after three blasts in what Met Police chief Sir Ian Blair says is a "serious incident".
Sir Ian appealed to Londoners to stay where they were and said the transport system was effectively shut down.
The minor explosions used detonators only, a BBC reporter said.
In addition, a Number 26 bus in Hackney Road in Bethnal Green had its windows blown out by a blast. There were no injuries.
Large areas around Warren Street, Oval and one of the Shepherd's Bush Tube stations have been cordoned off.
Police in London say they are not treating the situation as "a major incident yet".
One person was injured at Warren Street. There were reports the injured person may have been holding a rucksack containing the detonator.
Lines suspended
Police said armed officers had been deployed to University College Hospital after an incident.
The whole of the Northern Line has been suspended, along with the Victoria Line and the Hammersmith and City line.


Police have set up cordons round the stations
A number of other stations were closed including Westminster tube station, Waterloo station and King's Cross Thameslink. There were also reports that St Paul's tube and Oxford Circus tube station were closed.
Tony Blair cancelled events in the afternoon and will be attending a meeting of the Cobra committee along with Foreign Secretary Jack Straw.
The BBC's Andrew Winstanley said devices had been found but appeared to have been dummies, containing no explosives.
London Underground went to an amber alert with trains taken to the next station and evacuated.
An eyewitness at Oval station said there had been a small bang, and a man had then run off when the Tube reached the station.
A spokesman for Stagecoach said the driver of the number 26 bus travelling through Shoreditch had heard a bang on upper deck, gone upstairs and seen the windows were blown out.
The bus driver was very shaken but said to be fine.
At Shepherd's Bush Hammersmith and City line station, police told reporters that a man had threatened to blow himself up and then ran off.
Sosiane Mohellavi, 35, was travelling from Oxford Circus to Walthamstow when she was evacuated from a train at Warren Street.
"I was in the carriage and we smelt smoke - it was like something was burning.
"Everyone was panicked and people were screaming. We had to pull the alarm. I am still shaking."
The BBC's Rory Barnett said there had been no smoke on the platform at Warren St.
Liz Edwards, who works near Warren Street Underground station, said the area was full of activity.
"There are police, fire engines and ambulances all around there. A guy from our office had just come back from the station and said the police were aggressively keeping people away from the station and that you could not get anywhere near it."