Emergency services are currently helping a woman who is injured in Worthing town centre.
A spokesman for the ambulance service said paramedics were called to High Street, Worthing, where a woman had fallen and injured her arm outside Ladbrokes.
One ambulance crew was at the scene, they said.
Earlier, a police officer was seen caring for the woman, who was on the ground, while the paramedics arrived.
The incident is not currently causing traffic delays.