A man has been seriously injured in an attack at a taxi rank in Falkirk.
Police were called to Newmarket Street at about 03:15 and found the 34-year-old victim.
The man was initially treated at the Forth Valley Royal Hospital before being transferred to the Western General in Edinburgh for treatment to a head injury.
Police are looking for a man who made off in a silver taxi shortly after the incident.
The suspect is described as white, 5ft 6ins tall, of stocky build, with a shaven head. He was wearing a bright red short-sleeved t-shirt.
Det Insp Jim Thomson of Falkirk CID said: "We're continuing to conduct inquiries in the area and want to thank the local community and businesses for their patience at this time.
"We'd urge anyone who may have witnessed this incident, or who recognises the man's description, to get in touch as soon as possible."