Three local men have been arrested over an armed robbery at a Lincolnshire Co-operative store in Lincoln.
Officers have arrested a 21-year-old man, a 22-year-old man and a 23-year-old man on suspicion of carrying out a robbery.
Staff at the store on Queen Elizabeth Road, Ermine East, were threatened with a weapon on February 8.
Cash was stolen but nobody was injured.
The suspects have been released on police bail pending further enquiries until varying dates in March and April.