Thieves armed with weapons threatened staff before ransacking a petrol station.

The "extremely frightening" incident happened at Glendevon Service Station in Winchburgh, West Lothian, at 10.45pm on Thursday.

Three men used weapons to threaten staff before stealing cash from a till.

Detective inspector Paul Batten said: "This was an extremely frightening experience for the staff at the garage who were shaken but unhurt.

"Officers responded and searched the area immediately, and we are investigating reports of a vehicle leaving the area at speed shortly after the robbery heading towards Winchburgh Main Street.

"I am keen to hear from anyone who was in the area at the time and may have seen the men enter or leave the petrol station, or anyone who may have seen or heard any suspicious vehicles."

He added: "Detectives and community officers will be in Winchburgh making further enquiries and offering reassurance."

The first man is described as being white, of an average build and was wearing a thick black jacket and a light grey hooded top.

He was also wearing black gloves, black trainers with an orange heel, a black balaclava and a patterned scarf.

The man was also carrying a black backpack with an orange stripe.

The second man is described as being of an average build and was wearing a thick black jacket with a zip and a hood, black Adidas tracksuit bottoms and a black cap.

He also had black gloves, black Adidas trainers and a grey scarf over his face.

The third man, who was also carrying a bag, was wearing gloves, trousers and trainers which were all black black.

He was also wearing a black jumper and balaclava.

Anyone with information is asked to contact 101.