Ashish Mishra | Credit: ANINew Delhi: The Supreme Court on Friday agreed to hear on March 15 a plea challenging grant of bail by the Allahabad High Court to Ashish Mishra, son of Union minister Ajay Mishra, in connection with the Lakhimpur Kheri violence that left eight people, including four farmers, dead. During the hearing, the advocate informed the apex court that a witness in Lakhimpur Kheri case was attacked last night.