Kathmandu, Oct.18: Sixteen persons were injured, some seriously, when a bus skidded off the Prithvi Highway linking the capital and the resort town of Pokhara Tuesday night at 2.25 AM, police said. The bus was heading for Kathmandu from Pokhara as it fell 50 metres off the road at Sat Kilo. The injured are being treated at Bir Hospital. Police have arrested the bus driver.