At least 37 miners go missing after an explosion in a <a href="https://en.wikipedia.org/wiki/Ukraine" id="mwAVU" rel="mw:WikiLink" title="Ukraine">Ukrainian</a> coal mine causes <a href="https://en.wikipedia.org/wiki/2008_Ukraine_coal_mine_collapse" id="mwAVY" rel="mw:WikiLink" title="2008 Ukraine coal mine collapse">it to collapse</a>.