12.45pm: MP Nick Boles is appealing for witnesses to help police following this morning’s explosion in the Stamford and Grantham Conservative Club at Bourne.
It’s believed a home-made device was thrown at one of the office windows of the North Street building, although witnesses have reported hearing two blasts.
The MP, who has an office at the club, said: “Obviously I deplore any act of violence. The police are investigating the incident and everyone should do everything they can to help with this investigation.”
Catherine Glithero, who lives nearby, said: “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.”
10am: A man is under arrest following an explosion this morning at Bourne’s Conservative Hall.
Police and firefighters were called to Burghley Street at 1.24am.
There was minor damage to the building, but no one was injured.
Police say a man aged 24 was arrested and is currently helping officers with their inquiries.
A police spokesman said: “Early indications suggest this incident is not linked to any wider issues or recent events in the county.”
Police are appealing for witnesses to contact Det Insp Pete Grayson on 101 or call Crimestoppers anonymously on 0800 555111.
• Emergency services were called to Bourne this morning following reports of an explosion and shattering glass.
Police confirm that no one was injured but they are investigating the incident that happened in the Burghley Street area.
The alarm was raised at 1.24am.