According to the FIR lodged at the Jahangirpuri police station, the procession was passing off peacefully, but at around 6 p.m., when it reached outside a mosque, the accused Anshar came there with his 4-5 associates and started arguing with the participants of the yatra.
The argument soon turned violent and both the sides started pelting stones at each other.
"I, Inspector Rajiv Ranjan Singh, tried to pacify the situation and separated the two groups, however, within some time, they again started pelting stones after which I informed the Police Control Room about the development," read the FIR.
Soon after this, more police force reached the spot along with senior officials, however, by that time the mob had turned completely violent. The mob pelted stones on the police force and also fired shots at them.