A 25-year-old man is wanted by police for the murder of 20-year-old Tyrone Mullinde in Bridgwater.
Nial Koporo is described as black, tall and powerfully built and is known to carry a knife around with him.
Police are warning members of the public not to approach Mr Koporo if they see him.
Tyrone Mullinde, from London, was found at 12.30pm on Saturday 20 October after being seriously assaulted in George Street. He died at the scene.