Kolkata: Three youths were arrested by Pragati Maidan police station on Saturday night for allegedly molesting a woman inside a moving bus.On hearing the victim scream for help, police personnel doing naka checking intercepted the bus and arrested the trio identified as Shaikh Pervez, Shaikh Mujibar and Shaikh Aftab. According to sources, on Saturday night, some police personnel were performing naka checking near Ambedkar bridge off Eastern metropolitan (EM) Bypass. Around 9 pm, they heard the screams of a woman coming from a private bus which was moving towards Science City. Immediately, police stopped the bus and some of them boarded the bus. Then, they noticed three youths and a woman in middle of an altercation and the youths were found to be hurling expletives at her. Also Read – Speeding Jaguar crashes into Mercedes car in Kolkata, 2 pedestrians killedAll four of them were and taken to Pragati Maidan police station. Later, the woman, a resident of Minakha, told cops that she boarded the bus from Malancha-Howrah route from Ghatakpukur. During her journey, the trio had molested her. It is alleged that the trio also boarded the bus from Ghatakpukur and were asking for her mobile number. But the woman avoided and remained seated without giving replying to them. However, the situation turned worse when the youths started hurling expletives at her. Though some passengers and the bus conductor saw the entire incident, none of them protested. Also Read – Bose & Gandhi: More similar than apart, says Sugata BoseHaving no other way out, she screamed while the bus was moving towards Ambedkar bridge on Basanti Highway. The youths got furious and physically abused the woman. The woman later lodged a complaint at Pragati Maidan police station. During interrogation it was revealed that the trio works at a tannery in Ghatakpukur. It was learnt that the youths used to follow the woman as she is a daily passenger of that route.