Alipurduar, WB: Seventeen students were injured, 10 of them seriously, when their school bus was hit by a pick-up van at Madarihat in this district today. A van hit the school bus of a local higher secondary private school from behind this morning, a police official said. Ten students were seriously injured. They were admitted to the Alipurduar district hospital. The driver of the pick-up van fled with the vehicle, he said.