Thoughts and prayers with victims' families - Sadiq Khanpublished at 13:49 Greenwich Mean Time 9 November 2016
Nick Beake
Home affairs correspondent, BBC London
The Mayor of London, Sadiq Khan, said: "My thoughts and prayers are with the friends and families of those who have lost their lives today, and everyone involved in this incident.
"I am in close contact with the emergency services and Transport for London, who are working extremely hard under very difficult circumstances to get the situation under control and treat those who have been injured.
“The police have set up a number for friends and family to call for information: 0800 0560154.”