d.c.'s fire chief says he has already ordered an increased training. coming up at 5:00 tonight, the fire union speaks with mark segraves about a tool they say would make that training more effective. >>> from the white house to the pentagon and beyond. u.s. officials say they can't confirm the isis claim that an american female hostage was killed in an air strike in syria today. the family of 26-year-old kayla mueller has given us permission to release her name and use her picture. isis claims she was buried in the rubble of a building hit by jordanian aircraft. that is not confirmed. jordanian officials say they're skeptical of the claim and believe it's isis propaganda. muler is from arizona. she was working for doctors without borders when she was kidnapped by isis in aleppo syria, in august of 2013. >>> a tow truck had to pull this van from someone's driveway after the driver lost control and hit a home in silver spring. this happened around 11:00 this morning. the house on kinds street off university boulevard east. we're told the driver was backing up hit a parked car, and then crashed i