All four of the workers were hospitalized, and their conditions are unknown.
[Ads /]
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.
[Ads /]
ALSO READ | 1.7 magnitude earthquake jolts residents awake in Roosevelt Island, Queens
1.7 magnitude earthquake jolts Roosevelt Island and Queens
----------
* Get Eyewitness News Delivered
* More New Jersey news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube