A London teenager is calling on the government to ban cars in Richmond Park every Sunday.
The 17-year-old wants a car-free day to promote cycle safety, and comes after both Bradley Wiggins and his coach were injured in accidents this week.
Paul Brand went to Richmond Park to see how the idea is going down.
More top news
Some platforms have been taken out of service with disruption expected to continue until the end of the day.
The Met Office has extended its weather warnings for snow and ice to cover vast swathes of the country, including London and the South East.
A total of 270,000 documents is expected to be submitted to the inquiry.