UK police raid address in Surrey, south of London, in train attack probe

UK police raid address in Surrey, south of London, in train attack probe. Armed police have descended on an address just outside of London as part of the investigation into the Parsons Green Tube bombing.

Residents in the Cavendish Road area of Sunbury-on-Thames, Surrey, have been told to leave their property.

The police said in a statement that residents in the buildings surrounding the address were also being evacuated as a precautionary measure.

“Cordons are being put in place at a 100 meter radius to facilitate the Metropolitan Police Service’s operation, which is being supported by colleagues from Surrey Police,” they said.

The UK terror threat has been increased to the highest level following the attack on a Tube train in south-west London, the prime minister has said.

Theresa May said the threat had been upgraded from severe to critical – meaning an attack is expected imminently.

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An explosion has occurred at a London subway station, leaving several passengers injured. The blast took place on a rush-hour underground train at the Parsons Green station in west London, shutting down a district subway line.

There are reports of multiple casualties and victims with burnt faces. Witnesses also say that a stampede followed the incident, injuring more people before the police and paramedics arrived.

The Metropolitan and British Transport Police say they are aware of the incident, confirming that armed forces are present on the ground to investigate the case.

They also advised people to avoid the area, but made no further comments about the possible casualties or the cause of the incident.