A number of workers at Jaguar Land Rover have been treated by ambulance staff after evaporating vapors at the company's Lode Lane factory.
A video taken from the scene this afternoon shows a fleet of ambulances and paramedics with workers standing outside.
Unconfirmed reports also claim that some workers were knocked down.
West Midlands Fire Service or Police have not been proclaimed.
The situation is now under control and JLR has commissioned a full internal investigation.