What happened the day IB official was killed, for which Tahir Hussain got life term?

A Delhi court sentenced ex-AAP councillor Tahir Hussain and four others to life imprisonment for the 2020 murder of IB officer Ankit Sharma. Sharma was allegedly abducted, brutally assaulted and stabbed by a mob after trying to calm clashes in Delhi's Chand Bagh area on February 25, 2020. His body was recovered from a nearby drain the next day.