The arrests were made on Monday evening. The incident occurred around 1.30 pm when 30 youths who took part in the celebrations, boarded a government bus plying between Periyar bus stand to Natham, created ruckus and damaged the front glasses of the bus at Goriplayam. Tallakulam police filed a case against them for unlawful assembly and damaging government property. As a result of sustained investigation by analysing footages recorded from drone cameras, 28 accused were arrested, Prem Anand Sinha, Commissioner of Police, Madurai City, said.