<p>A shooter opened fire in a Walmart in Virginia, leaving six people dead, police said, in the country's second high-profile mass killing in a handful of days. The assailant is also dead.</p> <p>The store in Chesapeake was busy just before the shooting Tuesday night with people stocking up ahead of the Thanksgiving holiday, a shopper told&nbsp;<a class="Link" href="https://www.youtube.com/watch?v=jKBOlU_udH8" _mce_href="https://www.youtube.com/watch?v=jKBOlU_udH8">a local TV station</a>.</p> <p>In addition to the six killed, four were injured.</p> <p>Police Chief Mark Solesky said the shooter was a Walmart employee. The chief said the shooter used a pistol during the shooting.</p> <p>The unidentified shooter likely died from a self-inflicted gunshot wound, he said.</p> <p>Officer Leo Kosinski couldn’t say how the shooter died but said that he didn’t believe police fired shots. It was not clear who the shooter was or what their motive might be.</p>