At least three children have sustained injuries in an accidental grenade blast in Arunachal Pradesh. 

The incident has been reported from Chinghang village in Tirap district of Arunachal Pradesh. 

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The children were reportedly playing with the grenade, which was wrapped in a polythene bag when it went off. 

The children โ€“ aged 2, 3 and 10 โ€“ sustained injuries in the accidental grenade blast. 

The 10-year-old child is currently being treated at a hospital in Assamโ€™s Dibrugarh.  

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The other two children โ€“ aged 2 and 3 โ€“ who did not sustain major injuries are reportedly under observation at the Khonsa district hospital in Arunachal Pradeshโ€™s Tirap. 

Meanwhile, security agencies have launched an investigation into the incident.