Wiltshire Air Ambulance Paramedic Ross Culligan said it was 'chaotic' with a lot of panic when he and a colleague arrived at the scene of the incident:
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The 10th Swindon and Wiltshire Pride event is taking place in the Town Gardens. It's 50 years since the decriminalisation of homosexuality.
An unsettled weekend ahead
An unsettled weekend for the region