GEISMAR – Authorities closed Highway 75 at 73 in Ascension Parish around lunch due to emergency activity at a nearby plant.

Authorities said they were about to release information on specific roadblocks in the area but did not provide immediate information.  A spokesperson called the situation an "incident" at a plant. 

Witnesses told WBRZ, the intersection of 75/73 was closed and authorities were directing people around the area as emergency personnel worked a situation at a plant nearby.

The intersection reopened around 2 p.m.

Check back for updates.  

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