Neighbor. Thanks for joining us. World news tonight with david muir is tonight, the severe storm watch as we come on the air. New york city, philadelphia, down to washington, d. C. , bracing for dangerous storms, high winds after the blistering heat. And the Lightning Strikes. Eight people on one beach injured. Hundreds of thousands without power tonight. And ginger zee with the new track as this hits in the coming hours. Also developing tonight, rising tensions between the u. S. And iran. Iran tonight now claiming to have captured 17 alleged cia spies. How President Trump is now responding amid new images tonight of iranian gunships circling that captured tanker. The American Woman and her boyfriend discovered dead on a road trip in canada, and just in tonight, authorities have just revealed the cause of death and theyve now released a sketch of a person they want to talk to. And this evening, the second mystery just now emerging in canada. Here at home tonight, the Young College stud
iranian revolutionary guard commandos dropping down from a helicopter to seize that british tanker, and the pictures, the iranian gunships circling that captured tanker, as well. martha raddatz with late reporting just in. reporter: iranian state television today claiming these images, which we ve blurred, show cia officers who ran a network of spies. 17 iranian nationals they say were spying on nuclear, cyber and military programs for the u.s. that s totally a false story. that s another lie. they put out propaganda. they put out lies. reporter: this comes as the first video of the crew of a british-flagged oil tanker has emerged. the 23 crew members captured after a dramatic seizure at sea by iranian commandos, seen circling the tanker, looking for a spot to land, with a warning