with the latest. trey. reporter: molly, good afternoon. a massive explosion early this morning destroyed the only bridge between russia and crimea. the blast and subsequent fire decimating the car and train sections of this bridge. spend large pieces of concrete plunging into the water below. three died after a truck exploded adding an official investigation is underway into the owner of that vehicle. investigative actions being carried out at his place of residence and everything is being studied. reporter: russia used this bridge as a main supply line to support the southern offensive in the region and destruction is viewed as significant intelligence in ukraine and the war rages on in the eastern part of the country and russian forces fired on the second largest city overnight and the missile strikes damaged one of the city s medical centers in a nonresidential building. blasts with the windows shaking and the city tonight remains on edge for the possibility of more