Police at Asda Greenhithe in Crossways Boulevard
Police were spotted at a supermarket last night keeping watch over broken glass.
An officer was seen standing over the glass in the car park of Asda in Greenhithe, near Dartford.
The incident is understood to have happened at the superstore in Crossways Boulevard at around 5pm.
A local resident said they had heard a man was hit over the head and had his car stolen in an "absolutely horrific" series of events, although no details have yet been confirmed by police.
A spokesman for Asda said: "We are aware of the incident and are assisting the police with their inquiries."
Police have been contacted for more information.