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Chemical spill shuts down a portion of Loop 1604 next to Randolph Air Force Base

BCSO and Converse police shut down traffic in both directions near Rocket Lane and Loop 1604.

CONVERSE, Texas — Authorities say they shut down a stretch of highway near Randolph Air Force Base Thursday afternoon due to a chemical spill.

The Bexar County Sheriff's Office and Converse Police closed off traffic in both directions near Rocket Lane and Loop 1604, which is right next to the base and a sheriff substation. A stretch between Miramar Boulevard and Lower Seguin Road will be impacted for several hours as crews work to clean the roadway.

BCSO posted about the situation in northeast Bexar County a little after 3:30 p.m.

Drivers are asked to avoid the area.

BCSO said that a tractor trailer began leaking chemicals near the intersection. They provided an update on Thursday evening, saying the chemical leaking is Methanesulfonyl chloride. 

"The leak has stopped and is in the process of being transferred to other containers," BCSO said. "The chemical is not a threat to the public and hazardous material personnel are on scene monitoring. The highway is expected to be closed for upwards to 8 hours."

At 10 p.m., the highway was still shut down and crews were still working.

Boysville children's shelter was told to stay inside until hazmat crews cleaned up the road. 

This is a developing story.

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