In pictures: Tractors roll into Westminster protest alongside 10,000 farmerspublished at 15:00 Greenwich Mean Time
Crowds are dispersing from Whitehall as farmers clamber into their tractors and head home.
The Met Police estimates that around 10,000 turned up to protest a change to inheritance tax, which would see people taxed at 20% on assets worth over £1m.
As celebrity figures including Jeremy Clarkson joined the ranks, here's how the day played out: