It was only a few hours into the annual Black Friday shopping sales this year when the Twitter hashtag #WalmartFights began trending, encouraging users to post photos and videos of shoppers getting violent at Walmart stores.

People using the hashtag posted photos and videos of bloody noses, paramedics wheeling stretchers, women smacking one another on the head, security officers wrestling shoppers to the ground and employees yelling at shoppers to stop recording the melees on their cellphones.

One Walmart shopper uploaded a video to YouTube showing a fight and claimed he was thrown out of the store for videotaping it.

The hashtag was just one sign of mounting violence at Black Friday sales around the country this year. In Las Vegas, a shopper was walking down the street with a big screen TV he had purchased shortly after midnight when he was shot by a passerby.
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