Part of the town centre has been closed to a man on the edge of a car park.
The incident started to unfold outside Sainsbury’s at around 4.25pm today, 21 July.
A man, thought to be in his early 30s, sat on the edge of The Brunel Shopping Centre’s staff car park and store access ramp near to Commercial Road.
Wiltshire Police and South Western Ambulance Service are at the scene.
A Wiltshire Police spokesperson said: “We are currently attending an incident in Swindon Town Centre involving a vulnerable man, pedestrians and motorists are advised to avoid the area due to some traffic disruption.”