A man was knocked unconscious and taken to hospital after a serious assault in Lancaster.
Police are appealing for witnesses after the man, who is in his 40s, was punched in the street at Alderley Heights.
The man was taken to Royal Lancaster Infirmary for treatment following the incident at around 11.30pm on March 26.
The attacker is described as 6ft tall, of slim build, aged in his early 20s, wearing black jogging bottoms and a black puffa jacket with fur hood.
Anyone with information is urged to contact police on 101 or email 1625@lancashire.police.uk quoting log 1668 of March 26.
Alternatively you can contact independent charity Crimestoppers on 0800 555 111.


Praise for Lancaster and Morecambe youngsters who took part in 'tongue movement' project
Clinic where students offer free legal advice to reopen at Lancaster University
Lines reopen after train derailment on Scotland-London line
Police arrest two and seize illegal bike in Morecambe
ITV commissions sixth series of Morecambe crime drama The Bay
E-bike shop moves from Lancaster to new Carnforth showroom
Lancaster workshop to tackle the issue of drink and needle spiking
Morecambe raw feeds shop up for three 'Animal Star' awards
Two new festivals proposed for Morecambe entertainment venue the Platform
Second day of disruption as work continues after train derails in Cumbria
Morecambe lifeboat crew’s swift response rescues swimmer ‘being swept dangerously out to sea’
'Street Meets' announced to answer your questions amid new wheelie bin roll-out
Campaign group welcomes new "life changing" bus service to Morecambe
Lancaster prison worker jailed for drug offences
Major disruption as train derails on West Coast Main Line
Talks begin for events to mark Eric Morecambe's 100th birthday
Lancaster music venue due to shut will now stay open "well into 2026"
Halloween What's On Guide
LISTEN: Launch of new group in Morecambe to help with gambling addiction
LISTEN: New centre for people with disabilities to open in historic Lancaster location
