With the protests at Delhi's borders showing no signs of slowing down, farmers' unions on Sunday said they would write to members of UK Parliament to stop Prime Minister Boris Johnson from visiting India for the Republic Day celebrations until their demands were met.

"UK Prime Minister Boris Johnson is scheduled to visit India on January 26 for the Republic Day celebrations. We are writing to British MPs asking them to stop the UK PM from visiting India till the Indian government agrees to meet our demands," said Kulwant Singh Sandhu, a farmer leader from Punjab at the Singhu Border.