Police believe thieves are targeting vehicles with tools on board after two vans were broken into while parked in a Bourne road.
Thieves got away with tools from one of the vans parked in Stephenson Way after the break-ins some time overnight between Sunday and Monday.
Nothing was taken from the other van and a neighbour reported hearing noise at about 2.30am on Monday.
Police are advising owners and users of commercial vehicles to be more security-conscious by parking in well-lit areas and marking tools with the SmartWater anti-theft system.
Meanwhile, a vehicle had a brick thrown through its window while parked in Hall Farm, Market Deeping some time overninght between Friday and Saturday.
Anyone with information should call 101, quoting incident number 135 of June 29th.