just learned former president trump s former chief of staff mark meadows has now testified before the federal grand jury. hearing evidence in the special counsel s investigations in to trump. mary bruce reporting tonight. from minneapolis, all the way to new york city, the dangerous air quality threatening 80 million americans. as far south as the carolinas tonight. all of this from the fires in canada. trevor ault reporting. tonight authorities investigating the killing of a mother of four in florida. police say she was shot through a door by her neighbor. there is news tonight after that air scare. the pilot reportedly seen slumped over while flying. everyone on board killed after the crash. why did it take the u.s. military 90 minutes to scramble those f-16s? martha raddatz tonight. the stunniing turn this evening for the pga after two years of the saudi backed liv golf taking business from the pga tour. tonight, the merger. the pga and liv golf joining forces, triggering
high school has just been david: pierre, i know you ll be reporting into the night on this one. pierre, thank you. major story overseas tonight the explosion inside ukraine and the dramatic images on this front as well. destroying a critical dam and power plant, flooding villages, forcing thousands to evacuate. homes seen floating away. raising new fears tonight for the massive nuclear power plant in zaporizhzhia. tonight russia and ukraine are both blaming each other. president zelenskyy says this was russia and it s a war crime. abc s tom soufi burridge inside ukraine is near the power plant for us. reporter: tonight a catastrophe unfolding on ukraine s southern frontline. explosions rupturing the nova kakhovka dam running across ukraine s vast dnieper river. water cascading through, causing widespread flooding sparking fresh concerns about the safety of ukraine s largest nuclear power plant. war ravaged communities underwater. evacuation. reporter: ukrainian