Violence erupted at Black Friday sales across the U.S. with one bargain-hunter left critically injured after being shot during a robbery and 15 other people injured when an angry shopper used pepper spray.
Several of the incidents took place at Walmart stores as millions of Americans loaded up on holiday purchases. A spokesman for the company told NBC News that "overall, it's been a very safe event at the thousands of Walmart stores open for Black Friday."
"There were a few unfortunate incidents, but otherwise we've heard positive feedback from our customers and associates," he said.
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