London Ambulance Service: A Duty Station Officer (left) and a member of our hazardous area response team on standby
London Ambulance Service: Keeping a watchful eye on campaigners at the Shard
London Ambulance Service: The hazardous area response team follow the campaigners up the Shard
London Ambulance Service: Keeping a close eye on the campaigners
London Ambulance Service: Duty Station Officer, Andy Beasley, managed our staff at the Shard