Angry protesters allegedly forced the two vehicles to stop and set them on fire.
From the Republic Day violence to Lakhimpur Kheri incident and terms such as 'toolkit' and andolanjeevi entering the Indian political lexicon, it was controversies galore during the year-long farmers' movement against the contentious agri laws.
The apex court has also sought details of the Special Investigation Team (SIT) and the judicial enquiry commission, reportedly set up by the state government.
Some parties, including the Congress, also demanded immediate sacking of Union Minister of State for Home Ajay Kumar Mishra, following Samyukt Kisan Morcha's allegation that his son was travelling in one of the vehicles involved in the incident.
The Supreme Court of India on Wednesday appointed Justice Rakesh Kumar Jain, a former judge of the Punjab and Haryana high court, to supervise the Uttar Pradesh SIT's probe on day-to-day basis into the Lakhimpur Kheri violence in which eight people including four farmers were killed on October 3.
The apex court, which was hearing a matter pertaining to the October 3 violence in Lakhimpur Kheri in which eight persons including four farmers were killed during a farmers' protest, was told by the state government that statements of four out of the 44 witnesses have been recorded by the judicial magistrate.
Chaudhary, who took 13 hours to reach Lakhimpur Kheri from Delhi, several hours more than it would take to cover the 420 km-odd distance, also met the families of some of the farmer victims to learn their story of loss.
A bench headed by Chief Justice N V Ramana told senior advocate Harish Salve, representing the UP government, to communicate to the top most police official that evidence and other relevant materials in the case are not destroyed.