Police investigations have found that a group of 11 year old children had pelted stones at a train operating between Colombo and Kandy on Tuesday.
The police said that four passengers in the train were injured after the stones had hit them while the train was moving past Rambukana.
The police media unit said today that following investigations the police had identified group of 11 year olds as responsible for the attack.
According to the police, the children, who live near the track often meet soon after school and hang around near the railway track.
On this day they had pelted stones at the train when it was passing by injuring the passengers.