Conroe I-45 closure: Man with gun shuts down highway, authorities say

CONROE, Texas - A man with a gun was detained after prompting a shutdown on I-45 in Montgomery County, the sheriff's office says.

According to MCSO, northbound and southbound lanes were temporarily shut down at FM 1488 on Tuesday afternoon.

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The sheriff's office says the roadway reopened after the man was detained.

Conroe police and Texas DPS were on the scene. 

This is a developing story.