Balangir, July 5: At least 3 laborers sustained injuries after a nitrogen gas cylinder exploded at a stone crusher unit in Bhutiabahal village in Deogaon block of Balangir district.

The injured trio is stated to be residents of West Bengal.

Sources said, three laborers sustained injuries after a nitrogen gas cylinder exploded at a stone crusher unit in Bhutiabahal village, following which they were rushed to Bhima Bhoi Medical College here.

Further investigation is underway.