Sonepat: A youth was on Wednesday arrested by Government Railway Police for alleged involvement in 10 theft cases on the trains on the Delhi-Ambala-Kalka section. Hailing from Himachal Pradesh, the accused has confessed to his involvement in 10 cases of thefts committed in the trains, police sources said. After being arrested from Malwa Express last night, the youth was produced before a Judicial Magistrate, who remanded him to police custody for 10 days for further interrogation, they added.