Farmers have driven tractors to a Budget day protest on Wednesday, despite a ban from the Met Police on agricultural machinery in Westminster. The vehicles were seen driving on the M4 motorway in the early hours of the morning, before parking at Westminster, causing rush-hour traffic to be brought to a standstill. The protest is against the government's plans to change inheritance tax rules on larger farm businesses. One protester, who is also a farmer, urged the government to “sort the pledge o