Two people were killed inside a Walmart store in an apparent murder-suicide in Kaufman, Texas, on Tuesday, local media reported.

The Walmart is located about 30 miles southeast of Dallas and surrounding schools were placed on temporary lockdown when police initially believed there may have been an active shooter, Dallas TV station WFAA reported on its Twitter feed.

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There was no indication of an active shooter, the local sheriff’s department told reporters.

Kaufman police were not immediately available for comment.

(Reporting by Jon Herskovitz in Austin, Texas)