PRAYAGRAJ, July 6 -- Five vehicles were seized after detecting serious flaws in their papers and fitness while 16 vehicles were challaned as part of the ongoing drive conducted by staff of Regional Transport Office (RTO) against vehicles used to transport school children without a valid permit. Teams of RTO checked vehicles outside schools in urban as well as rural areas of the districtassistant regional transport officer (ARTO), enforcement, Rajeev Kumar, said. Passenger tax officer Mithlesh Singh said a private vehicle found taking 16 children to school on Saturday morning. was meant for private use....