al jazeera's diane esterbrook has more from flint. >> the democratic candidate date for president ofhe united states. >> it was their seventh debate, the venue, flint, michigan, the focus, the toxic water crisis. the can't dazed sounded off. >>> i believe the governor of this state should understand that his dereliction of duty was irresponsible. he should resign. >> it is raining lead in flint and state is derelict in not coming forward with the money that is required. >> both were challenged on the failings of the federal environmental protection agency. >> people should be fired. however up it went, i don't know, but as far as it goes, they should be relieved, because they failed this city. >> president sanders would fire anybody who knew about what was happening and did not only appropriately. >> the candidates were grilled from every direction. some questions were pointed. >> your first visit to flint as a presidential candidate was just over a week ago. it's almost five months after the people here were told to stop drinking the water. what took you so long. >> that's not quite

. >> diane esterbrook in detroit this morning, thanks diane. trump is doubling down on his call for the use of torture. you suggested that he would order the military to kill the families of muslim rebels and institute tougher interrogation techniques. >> can you imagine these people, these animals over in the middle east that chop off heads sitting around talking and seeing that we're having a hard problem with waterboarding? we should go for waterboarding and we should go tougher than waterboarding. >> targeting terrorist families? >> and, and, i'm a leader. i'm a leader. i've always been a leader. i've never had any problem leading people. if i say do it, they're going to do it. that's what leadership is all about. >> this is not the first time trump advocated for torture, a recognized war crime. he made similar statements in the lead up to the south carolina primary. the republican war of words began long before last night. mitt romney denounced trump's white house run calling him a danger to the party and the nation. we spoke with lincoln

. >> diane esterbrook is live in flint, michigan, plenty of fireworks on the stage last night. >> oh,eah, del, i mean bernie sanders definitely brought his a game to flint, michigan last night, arcing with clinton over a number of topics and even interrupted her a few times. the question is will it make a difference when voters head to the polls tomorrow. >> ladies and gentlemen, the democratic candidate dates for president of the united states. >> the focus, the toxic water crisis. the candidates wasted no time sounding off. >> i believe the governor of this state should understand that his dereliction of duty was irresponsible. >>> he should resign. >> it is raining lead in flint and the state is derelict with not coming forward with the money that is required. >> both were challenged on the failings of the e.p.a. >> people should be fired. however up it went, i don't know, but as far as it goes, they should be relieved, because they failed this city. >> penalty sanders would fire anybody who knew about what was happening and did not act appropriately. >> the candidates were grilled