Know why did the Maujpur stone pelting incident happen

Anti-Citizenship Amendment Act protest was underway in Zafarabad since Sunday morning. On Sunday afternoon, stone-pelting took place in Maujpur which is an area near Zafarabad. But why did it happen? One of the pro-CAA protesters talked to ABP News and revealed the on-ground information. "We just demanded to open up the roads and in revert, stones were pelted from the other side," a pro-CAA protester said.