Explosion at MP Nick Boles's office in Bourne

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Media captionStreets nearby were closed off for several hours

There has been a "minor explosion" at the constituency office of Conservative MP Nick Boles.

A bang and the sound of breaking glass were heard at the junction of North Street and Burghley Street in Bourne, Lincolnshire, shortly before 01:30 BST.

Police said there was only minor damage to the building and no-one was injured. A man has been arrested.

Mr Boles, the Grantham and Stamford MP, said he understood a home-made device had been thrown through a window.

'Lot of debris'

He said he did not know anything more than that but hoped to learn more "in due course".

Image caption Mr Boles, who was not in the office at the time, said he was hoping to learn more from police

Caroline Glithero, who lives nearby, said she heard two explosions about 45 minutes apart.

"I heard two very loud bangs and on the second one I went to see what it was and found a lot of debris and a window broken," she said.

Lincolnshire Police said a 24-year-old man had been arrested and was helping police with their inquiries.

A spokesperson said early indications suggested the incident was not linked to any wider issues or recent events in the county.

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