A spokesperson said: "Kent Police was called at 7.02pm on Friday 14 February 2025 to a report of a disturbance at the Three Horseshoes pub in Main Road, Knockholt.
Officers and South East Coast Ambulance Service paramedics rushed to the scene where they found a woman in her 40s who had "suffered serious injuries".
"Officers attended the scene along with South East Coast Ambulance Service where a woman in her 40s had suffered serious injuries.
Police were called to a "disturbance" at the Three Horseshoes pub on Main Road in Knockholt, Kent, just after 7pm.
Kent Police have launched an urgent manhunt with officers actively searching for the suspect and investigating the full circumstances of the attack.