Battle the flames ripping through lahaina. our visibility is really limited right now. reporter: this fire truck driving through the inferno, surrounded by blinding smoke. all units, all units, we ve got to get out of this fire. reporter: fierce winds whipping the flames through town. the fire chief telling us his crews didn t back down, but their hoses ran dry. they need water. that resource is so precious to us. so when they were running out, they were so disheartened. reporter: nearly two weeks after the fire claimed at least 114 lives, officials say 850 people are still unaccounted for. late today, president biden and the first lady touching down on maui, where they boarded a chopper for their first look at the devastation left behind from the country s deadliest wildfire. the president set to meet with first responders and survivors. and as the state investigates the response to the fires, officials warn there could be many children among the dead. today is the first d