Police are appealing for information after two break-ins at a Selby building site.
The site to the rear of Staynor Hall housing estate was targeted by thieves.
The first incident happened between noon on Friday, 16 February and 7am on Sunday 18 February, when two cabins were broken into.
A large hole was cut into each and tools and diesel were stolen. A wheelbarrow was also missing, which could have been used to transport items.
Officers believe the suspects used a gate at the rear of the site, which backs in the direction of Selby College.
In the second incident, which happened between Sunday 18 February at 12.30pm and 7am on Monday 19 February, involved diesel being stolen from one of the cabins.
It is thought the offences took place during hours of darkness.
Anyone with information should call North Yorkshire Police on 101, select option 2 and ask for PC60 McMahon.
You can also contact Crimestoppers anonymously on 0800 555111.
Please provide reference number 12240030586.