Fire Fighting Methods News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> within the blast radius, a nursing home, hospital, and a middle school. >> the fire fighters that are missing were first responders. they were the ones that actually went to the scene on their call or page out. they responded to the scene and were actively fighting the fire at the time the explosion occurred. >> reporter: the firefighters, volunteers. the chemicals present, ammonia, it is explosive in concentrated form, adding water is a lethal mix. >> someone asked me the fire fighting methods, i have no clue. they were here. they knew it was a chemical issue. i'm still fairly confident to...

dangerous situation for those suffering through record-breaking heat. triple digit temperatures are making life absolutely miserable for about 100 million americans this weekend. that's about a third of our population. here's a look at today's predicted highs across the united states. let's go first to cnn's reporter live in atlanta in a cooling center where the heat is expected, nick, to hit 106 degrees. that makes me think back to the record here in atlanta in 2007. let's talk about how dangerous this is and what officials are doing. i know there are officials in missouri investiga...