4 construction workers hospitalized after explosion in Piscataway, New Jersey

PISCATAWAY, New Jersey (WABC) -- Four construction workers were injured after a serious explosion Friday afternoon.

All four of the workers were hospitalized, and their conditions are unknown.

The crew members were working on the River Road bridge over I-287 when the explosion occurred during pressure testing of a gas line.

OSHA is investigating.

This story will be updated as more information becomes available.



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