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
reporter: robert mueller is a reluctant witness, appearing under subpoena. he had hoped his report would speak for itself. and the report is my testimony. i would not provide information beyond that which is already public in any appearance before congress. reporter: today, mueller s spokesperson insists that statement still stands, that mueller will only talk about what s in his report and will be submitting the unredacted version as his statement on wednesday. it will be his 89th appearance before congress. he s been preparing with a team of former staffers in the offices of his old law firm, wilmer hale. democrats planning to push him on why he didn t clear the president on obstruction of justice. if we had had confidence that the president clearly did not commit a crime, we would have said so. reporter: the president today attacking mueller as conflicted. and the democrats as desperate. there was no obstruction. there s no nothing. they re wasting their time.