Gujarat Police on Sunday fired teargas at a crowd after stones were thrown at a "sobha yatra" (procession) of Lord Ram in Mehsana district, officials said.The incident, according to news agency PTI, took place in Kheralu town ahead of the mega 'Pran Pratishtha' of Ram Temple in Ayodhya on Monday.Three shells had to be fired to control the situation, Inspector General of Police Virendrasingh Yadav said."Fifteen people have been rounded up after a combing operation at the site. The police personnel accompanying the shobha yatra took immediate action to avert any (further) incident and brought the situation under control," the IG said.No one seems to have been seriously injured in the stone pelting, he added.The situation at the spot is peaceful, and police patrolling has been intensified in the area.