The Royal Newfoundland Constabulary says a loaded magazine from a police firearm has gone missing.
"During the execution of their duties an officer lost an item of police equipment within the St. John’s area. The lost item is a loaded magazine for the officer’s firearm," the RNC said in a statement issued near midnight.
The RNC said officers and a dog unit have been looking for the missing magazine.
The force revealed no other details, including where it is believed to have gone missing.
The RNC asked anyone with information to contact police directly, or to go through the anonymous Crime Stoppers service.