Sadiq Khan, the Mayor of London, has suggested that Formula 1 fans should "watch this space" with regards to the British capital hosting a grand prix race in the future.

The future of the British GP is uncertain after Silverstone's owners, The British Racing Drivers' Club, activated their break clause on Tuesday to stop hosting the event after 2019.

F1's American owners Liberty Media are keen to introduce events in "destination cities" and a demonstration run was held through central London on Wednesday evening.

"Clearly, if it's the case that talks have broken down with Silverstone, I'm happy to talk and listen to F1," Khan told Sky Sports News.

"There are some hurdles we'll have to overcome. I've met the new leadership of F1, they're a breath of fresh air, they're very exciting, they've got cracking ideas, and if they want to have a conversation with me, I'm really happy to talk, listen, and work with them to make it happen.

"Let's wait and see. F1 have only just got out of the deal with Silverstone. But the reality is, there are so many F1 fans in London. Some hurdles we'll have to overcome, but there's no reason at all why it can't be beyond the wit of us to organise an F1 race in London in the future.

"We're good at organising events safely. I'm reassured we can make everyone safe in London and we're going to make sure events are successful. I'm sure F1, working with us, can in the future have an F1 race in London. Watch this space."

The prospect of a London GP joining the F1 calendar moved a step closer in April following a law change allowing motor racing to take place on public roads.