steel factory, defying russia s ultimatum to surrounding. they are determine to stay. our city still has not fallen. there is still our military forces, our soldiers so they will fight for them. as of now they are still in mariupol. reporter: russia s military claims it controls most of the city s center, an assertion that couldn t be confirmed. if the city does finally fauld ukraine s president warned of major consequences. the russians are making a hughes mistake, said zelenskyy. the destruction of our guys in mariupol can put an end to any negotiations. negotiations that might have prevented shelling that killed five and injured 20 according to the region s governor and suspended a world central