Eight persons, including four farmers were killed in Lakhimpur Kheri during a protest against Ajay Mishra’s visit to the area for a programme on Sunday.
A car in the minister’s convoy allegedly ran over protesters, and farmers allege it was driven by his son Ashish Mishra.
Bothe the minister and Ashish Mishra have denied even being present at the spot.
The UP police have filed a case of murder against Ashish Mishra but have not arrested him so far.
With inputs from NDTV