LIVERMORE FALLS – Police are investigating an incident where someone dropped a homemade bomb off the roof of Cumberland Farms on Saturday.

It was reported after someone heard what sounded like a gunshot at about 1:12 a.m. Sept. 11, Livermore Falls Police Chief Ernest Steward Jr. said.

Cumberland Farms on Main Street is open 24 hours a day.

The homemade device didn’t appear to damage anything or hurt anyone, Steward said.