The bus had a flat tyre, causing it to slow down, when a speeding trailer truck coming from behind hit it, a police official said; the impact left 15 passengers seriously injured while Pushpa Lad (50) died on the spot

According to railway officials, the disruption occurred on the down through line at around 7.52 am near kilometre marker 44/1-6. Initially, two local trains and one MEMU service were held up due to the technical snag