Masked robbers armed with a crowbar broke into a county pub in the early hours of the morning.
The armed robbery took place at The Spread Eagle in Oakley Road, Corby, in the early hours of Monday.
Between about 3.30am and 4.40am, the robbers gained access to the rooftop above the pub and forced their way in.
A police spokesman said: “Once inside, they threatened the residents with a crowbar and forced them to access the pub, from which they stole a safe.
“They also took the mobile phones of the residents, discarding them on the roadside further along Oakley Road, near the roundabout with Lewin Road and Danesholme Road.”
Both offenders were white, in their early 20s, one was about 5ft 10in and of slim build, the second was about 6ft 2in and of a more muscular build.
Both men had their heads and faces covered.
Police would like to speak to anyone who may have witnessed this incident or who may have any information regarding it.
Witnesses or anyone with information is asked to call police on 101 or independent charity Crimestoppers anonymously on 0800 555111.