What triggered communal unrest in Hyderabad and Jabalpur?

A clash broke out between two communities in Jabalpur's Sihora, resulting in stone pelting, forcing the police to fire tear gas shells to control the situation. Fifteen people have been arrested in the matter. Tensions erupted in Hyderabad after slogans were raised by two groups as the Chhatrapati Shivaji Maharaj procession was passing by a mosque, Amberpet Police said.