Nashville police chief hails six cops who ran to evacuate residents before bomb-rigged RV exploded

The explosion happened at 6.40am local time on Christmas Day. It's not yet clear if anyone has been injured. A bomb squad has been called. https://www.dailymail.co.uk/news/article-9088479/Nashville-police-chief-hails-six-cops-ran-evacuate-residents-bomb-rigged-RV-exploded.html?ns_mchannel=rss&ns_campaign=1490&ito=1490