<span style="color: black;">In US, four police officers were shot and one died after confronting someone barricaded in a house in a small town in west Texas.</span><br />'' <br />'' <span style="color: black;">The shooting erupted yesterday in Levelland, which is about 50 kilometers west of the city of Lubbock.</span><br />'' <br />'' <span style="color: black;">It was not immediately clear what triggered the standoff with an armed person barricaded inside a house in Levelland.</span><br />