Four people have been taken ill at London Bridge station this morning, but the Metropolitan Police has said there was nothing to link the cases at this stage. Network Rail has said there was no gas leak.
A London Ambulance Service spokesman said:
"We were called at 8.39am today to reports of a patient taken unwell at London Bridge station.
"We sent two ambulance crews, a single responder in a car, our hazardous area response team and a duty manager.
"Our staff have assessed four patients at the scene who were taken unwell. Three of the patients have been taken to hospital."
Twitter user Helen True shared this photograph of emergency services attending London Bridge station where four people were taken ill.
Network Rail and TfL dismissed reports of a gas leak and said that overground and underground train services were running as normal.
We were called to the London Bridge incident as a precaution. It is over for us now and we’ve handed the scene to @btp_uk #Londonbridge
From @LondonFire on Twitter:Officers at London Bridge station with @londonfire @ldn_ambulance after reports of passengers feeling unwell; all incidents are unconnected.
From @btp_uk on Twitter:Network Rail told ITV News that there is no gas leak at London Bridge station and that train services are running as normal.
They added that four people were taken ill but the incidents were not related to each other.
London Fire Brigade have said they were called by the Met Police to London Bridge after at least three people were taken ill at the train station this morning:
Our crews responded to a call from the @metpoliceuk to attend #Londonbridge station after four people were taken unwell at the station.
From @LondonFire on Twitter:Read more: Metropolitan Police say there is "nothing to link the cases at this stage"
Transport for London (TfL) told ITV News that the issue was in the Network Rail part of London Bridge station and that underground services were running as normal.
At least three people were taken ill at London Bridge station this morning, but the Metropolitan Police said there was nothing to link the cases at this stage.
NEWS: At this stage there is nothing to link the four people taken unwell at London Bridge Station. #LondonBridge
From @metpoliceuk on Twitter:We are at an incident at London Bridge Station treating three patients who have been taken unwell
From @Ldn_Ambulance on Twitter: