There was just a terrible explosion, you just couldn't describe it Eyewitness

At 1908 there were reports by the Civil Air Traffic Control Authorities of an explosion on the ground 15 miles north of the Scottish border.

Details of the accident are still unclear but there are unconfirmed reports the plane has ploughed into cars and houses.

An eyewitness said the aircraft has hit a central part of the town in a residential area.

"There was just a terrible explosion, you just couldn't describe it," he told the BBC.

"It is just impossible to approach the town but at the time it went up there was a terrible explosion and the whole sky lit up.

"It was virtually raining fire - it was just liquid fire."

Parts of the town are being evacuated and a hall has been converted into a refuge centre.

Dumfries and Galloway Hospital, about 20 miles away, is on emergency alert.

Ambulances from southern Scotland and Cumbria have been sent to the scene.

The RAF has sent personnel and helicopters from Scotland and Northern England, along with mountain rescue teams to help police.

The A74 has been cordoned off after police reported several parked cars on fire.

It is thought the plane would have been flying at about 31,000 ft over Lockerbie when it exploded.

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