An Ingersoll man is in custody following a late night brawl.
Oxford OPP were called to a large disturbance on Baldwin Street in Tillsonburg shortly before 3:00 a.m. Saturday morning.
Police arrived to find an adult man unconscious, and another with injuries to his face.
Both men were transported by ambulance to Tillsonburg District Memorial Hospital by Oxford and Norfolk Emergency Services.
The unconscious man was eventually taken to London Health Sciences Centre with serious injuries.
The other man was treated for minor injuries and released.
30 year old Shane Robertson of Ingersoll is charged with assault and aggravated assault.
He will have a bail hearing on Sunday.