Employee Arrested in Stabbing at Collin County Wal-Mart

Three people, including a battalion chief from the McKinney Fire Department, were injured Wednesday afternoon in a stabbing at a Wal-Mart in Collin County, the sheriff's department says.[[386692061,C]]

The incident happened at the Wal-Mart on U.S. Highway 380 in Princeton at about 4 p.m.

Princeton City Manager Derek Borg told NBC 5 that a Wal-Mart employee cut the throat of the off-duty McKinney firefighter and also injured one other person.

Both were expected to make full recoveries, Borg said.

Police took the accused attacker, identified as 20-year-old Nicolas Francisco Martinez, to the hospital to be treated for a hand wound.

It was unclear what prompted the attack.

Martinez is charged with three counts of aggravated assault with a deadly weapon and public intoxication.

The Wal-Mart location opened on May 11, according to a report in The Princeton Herald.

Princeton is about 30 miles northeast of Dallas, east of McKinney.

In a statement released Wednesday evening, a Wal-Mart spokeswoman said:

"Today’s events are deeply troubling. Our thoughts are with everyone who was a part of this terrible situation. We are thankful to the first responders for their quick action, and we are continuing to work closely with the police. The associate who did this was arrested and his employment at our store was immediately terminated."

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