LUCKNOW, Dec. 3 -- Three passengers were burnt alive and 24 others have sustained burn injuries after a Delhi-bound private bus caught fire after colliding with a truck in Uttar Pradesh's Balrampur district early on Tuesday, said police officials. They added that six of the injured are in critical condition and have been referred to Bahraich Medical College for treatment. According to local police officials, the bus, carrying 45 passengers, most of them Nepal nationals, had departed from Sonauli near the Nepal border and was en route to Delhi. Around 2:30 am, the truck, rammed directly into the middle of the bus. "The bus skidded nearly 100 metres due to the impact and crashed into an electric pole carrying high-tension power lines. The pol...