per resident and firefighter -- perez and valario.he public is invited. >>> residents in a vacaville neighborhood home after tense moments explosion forced them to evacuate. two ended up in the hospital half something blew up in the kitchen of a house. haz-mat team used air monitors to determine that area was safe. the two in the home suffered minor authorities. authorities are trying to determine what caused the -- explosion. >>> a stench has been traced to a closed waste management company landfill two schools were evacuated authorities thought it could be a gas leak they weren't far off. waste management says the source was chemical vapors seeping from a 20 gallon drum. it says the vapors were from an additive added to odorless natural gas two give it an aroma so leaks can be detected. >>> 14-year-old girl from san diego is this year's queen bee. she beat out 277 in the annual national spelling bee, including a couple bay area con ers. -- contenders. >> reporter: it is the two-day nail biting, brain-busting battle that plays out on