A man has died following an incident outside a garage near Horsham.
Three emergency service vehicles attended reports of a man having a cardiac arrest in his car, a spokesman for the South East Coast Ambulance Service said.
He added: “At 9.55am today we sent two response cars and an ambulance to Guildford Road, Broadbridge Heath.
“Despite the efforts of bystanders, police and our crews they were unable to resuscitate the patient who sadly has died. Police are advising next of kin.”