<http://wtop.com/tracking-metro-24-7/2016/07/another-metro-train-may-have-run-red-signal/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://wtop.com/tracking-metro-24-7/2016/07/another-metro-train-may-have-run-red-signal/>