Update: Lanes on Interstate 37 south of San Antonio reopen after fatal wreck

ATASCOSA COUNTY – Lanes on Interstate 37 in Atascosa County have reopened after a fatal accident.

The Texas Department of Transportation Tweeted that all southbound main lanes on the interstate have reopened north of FM 536. They were originally closed while officials investigated the accident.

Traffic was diverted onto Loop 1604 and then onto to U.S. 281, TxDOT said.

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It is unclear how many people were killed in the wreck, as well as how it occurred.