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Explosion at New Jersey welding supply company that houses flammable gases

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CLIFTON, N.J. (AP) — Federal authorities are investigating what caused an explosion that injured two workers at a welding supply company in northern New Jersey.

Fire Chief Vincent Colavitti tells The Record newspaper the workers at AGL Welding Supply in Clifton were filling cylinders with oxygen when the blast occurred around 7 a.m. Friday. The explosion ignited a fire that took about an hour to bring under control.

The chief says one worker was severely burned and the other suffered from smoke inhalation.

Their names have not been released.

Route 46 was closed in both directions because of the fire.

The company -- which stores and mixes flammable gases -- is located near train tracks.

New Jersey Transit said Main Line service was suspended between Hawthorne and Clifton due to a fire investigation, but resumed with delays by 8:30 a.m.