A group of miscreants reportedly abused a woman sexually inside a train at Tapanila late Monday night.
Police said that the incident took place at around 9:00 pm. A group of boys molested and raped a woman inside a train before descending.
The woman took the train at Tikkurila at 9:10 pm and descended at Tapanila at 9:15 pm.
The police have arrested five boys aged between 15 and 18 on suspicion of aggravated rape.
Police detective Jyri Hiltunen in a statement said the investigation is still at the initial stage and the police are trying to focus on the course of the events as well as those who have been arrested.
The police have appealed for witnesses.
