Reports of explosions in London

EMERGENCY services were today responding to reports of a "nail bomb" being detonated in Warren Street, London.

Crews also responded to reports of an incident on a bus in Hackney Road, junction near Colombia Road, east London, Scotland Yard said today.

Services on three London Underground lines have been suspended following a number of incidents, the company said today.

end Services on the Victoria and Northern lines were suspended following reports of a number of incidents.

London fire brigade said there were reports of smoke coming from Oval station, which crews were investigating. They were called at 12.38pm and three ambulances dispatched.

There were unconfirmed reports of some kind of explosion at Warren Street station at 12.45pm. Five ambulances were sent immediately.

A Scotland Yard spokeswoman said: "Emergency services personnel are responding to reports of incidents at three locations on the Underground - the Oval, Warren Street and Shepherd's Bush."

Police were also among those attending the three stations, she said.

She could not confirm reports that witnesses at Warren Street had seen smoke.

It is two weeks to the day since the London bombings, when three suicide bombers detonated bombs on Tube trains in the capital and a fourth blew himself up on a bus.

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.

"We pulled into Warren Street and were evacuated. It was horrible,'' she told PA.

There are no reports of any casualties at this stage, sources said.