Large demonstrations by farmers are expected in London on Tuesday as they fight to reverse "absolutely unacceptable" changes to inheritance tax.The National Farmers' Union (NFU) is holding a mass lobby of MPs with 1,800 of its members - three times as many people as originally planned - to urge backbenchers to stand up to the Government's plans to impose inheritance tax on farms worth more than £1 million.And thousands more are expected to join a separate rally in Whitehall as they protest again

Large demonstrations by farmers are expected in London on Tuesday as they fight to reverse "absolutely unacceptable" changes to inheritance tax.The National Farmers' Union (NFU) is holding a mass lobby of MPs with 1,800 of its members - three times as many people as originally planned - to urge backbenchers to stand up to the Government's plans to impose inheritance tax on farms worth more than £1 million.And thousands more are expected to join a separate rally in Whitehall as they protest against last month's Budget, which also sped up the phase out of EU-era subsidies as funding is switched to nature-friendly farming schemes.