Queensland police are seeking information about a serious assault in Kelso that left a 41-year-old man with significant head injuries.

The man was allegedly assaulted by unknown offenders at an address on Ruby Round between 6 p.m. and 9 p.m. on October 17. He later attended Townsville University Hospital, where police were called at about 9:45 p.m.

Investigators are appealing for witnesses, CCTV recordings or dashcam footage that could assist the inquiry. Anyone with information should quote reference number QP2602056331 when contacting Policelink or Crime Stoppers Queensland.