corner road in chantilly last night aft a neighbor reported smelling gas. but as crews we still on the way, the house burst into flames. news 4 s tracee wilkins has more on the investigatio into what caused the blast. reporter: neighbors telle ten minutes after the explosion this house was complely on fire from top to bottom. when firefighters got here, they ad a hu fire on their hands. take a look at the house next door to the ho that explod. you can see just how intsehe flames wer it actually burned the sde of tt house. now the investigation in where this gas leaked froms under way. a very losoundi, dull explosion and se orange flame and uff shooting up. i couldn t really makeut what was flying evewhere. reporter: thisewly remodeled home onees coroner chantilly is less than a shell now after a gas explosion leveled it las nigh the parents and their two sml children who live he weren t home at the time of the explosion. investitors say it s a god thing because they don
the victim is. pat collins joins us from the scene. pat? reporter: a very serious situation here. a young jogger in a fight for her life tonight at a nearby hospital after she was struck right over there by a metro bus during rush hour this morning. at the time it happened, what was the color of the traffic signal? what did the walk/don t walk sign say? critical clues in this very serious accident. 8:30 this morning, a metro bus on florida avenue heads east across connecticut, strike as jogger in the crosswalk. nolan andrews saw the victim in the street. i saw a lot of paramedics attending to her at the time. she was moving. she appeared to be conscious, but in pain. reporter: look where this bus ended up. across the yellow line facing job coming traffic. it went beyond the crosswalk. apparently this is how that came about. the bus strikes the jogger in the crosswalk and then swerves across the yellow line to avoid running over the jogger. the jogger ends up over on t