Three people were killed in a car and a bus in southwestern London.
The car got off the stadium at the stadium, killing three people at the scene at 23:55 on Monday. The fourth passenger has been taken to hospital.
The London Fire Brigade said the bus was short, the passengers and the driver were transported for safety.
Some of them were treated at the scene and two others were taken to hospital with life in danger.
“Everyone’s thoughts in the brigade are with the families affected by this tragic incident,” said Paul McCurt’s assistant of London Fire.
“I would like to thank our teams and colleagues of the emergency services for the will and volunteerism they showed in response to this difficult situation.
“The brigade is talking to our firefighters who have participated and provide support through our counseling services and trauma where they are needed.
The London Fire Brigade and ambulance Service both participated in the incident and the roads remain closed as investigations continue.