PESHAWAR : Three persons were killed and two others sustained injuries when unidentified armed men opened firing at a car in charsadda district on Saturday. According to detailed, unknown gunmen ambushed a car at Talashah village in the jurisdiction of Umerzai locality and killed three persons and injuring two others. Sources said that one of the three deceased was wanted by police in several cases. They said two of the killed persons were residents of Peshawar while the third one belonged to charsadda district. Cause behind the killings was not ascertained till filing of the report. However, police started search to nab the culprits.