San Antonio authorities report they've located the mother of two of the eight children found unsupervised in a major child abuse case.

A spokesman for the Bexar County sheriff's office told the San Antonio Express-News (http://bit.ly/1SVvvGu ) that the woman was found in California. Authorities have already arrested the mother of the remaining six children, Porucha Phillips, and charged her with two counts of injury to a child.

The children were found unattended in a San Antonio home. Authorities say 2-year-old boy was chained in the backyard and a 3-year-old girl was tied to a door with a dog leash.

It's unclear whether the other woman will also be charged. The sheriff's office did not immediately respond to a message from The Associated Press.

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Information from: San Antonio Express-News, http://www.mysanantonio.com