An explosion occurred in a coach of the Jind-Delhi MEMU train on Monday evening near the Kharkhoda bridge ahead of Sampla, injuring four passengers, officials said. The regular train was carrying nearly 2000 passengers when the incident occurred around 5:30 pm, causing chaotic scenes. Although no deaths were reported in the incident, four injured were shifted to a nearby hospital.

Initial investigation suggested that a passenger was carrying a sulphur-potash gun in his bag which caused the blast, Himanshu Shekhar Upadhi, CPRO, Northern Railway said. The incident alerted agencies with a team from Delhi, FSL and Bomb Disposal Squad reaching the site.

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"Today, in the passenger train that was going from Jind to Delhi, a passenger brought a Potash gun in their bag...that's how the incident took place. No one was injured in the incident. Further investigation is underway," he added.

Around 2,000 passengers were on the train when the incident occurred. Railway police interviewed many on-site, and an RPF team from Rohtak also arrived to assist with questioning.

Reports indicate that a passenger was carrying a potash gun in his bag, which accidentally discharged due to pressure, leading to the incident. Police and railway officials are investigating all possible angles.

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Following the explosion, the train was halted for an extended period and later cancelled. Passengers continued their journeys by private vehicles or transferred to a subsequent train. A significant amount of potash gunpowder was found scattered on the tracks, and a bag containing more was recovered from between the rails at the scene.

With this incident occurring during the festival season, railway officials have called for a high-level investigation, and a case will be filed against unidentified individuals. The fire was eventually contained with the help of onboard safety equipment.