Janai Norman reports from North Plainfield, New Jersey, where two people died after flash floods struck the region on Monday night during rush hour as torrential rain inundated the Northeast, and Ginger Zee tracks the potential tropical system that's expected to bring heavy rain from Florida to Louisiana through end of the week; Trevor Ault has the latest on the investigation into the "American Idol" producer and her husband who were found shot to death in their Los Angeles home; Matt Gutman has details on the murder trial of the former Colorado dentist accused of killing his wife of 23 years with protein shakes laced with cyanide, arsenic and a chemical commonly found in eye drops; and more on tonight's broadcast of World News Tonight with David Muir.

After growing concern online over pictures of President Trump showing bruises on his hands and swelling in his legs, Mary Bruce reports on the White House revealing the president has been diagnosed with chronic venous insufficiency, "a benign and common condition;" James Longman has the latest on the Air India crash that killed all but one of the 242 onboard, including a report from the Wall Street Journal that says the plane's captain may have shut off fuel to both engines on purpose just as the plane took off; David Muir looks back at the life and legacy of Connie Francis, best known for her 1962 hit "Pretty Little Baby," who has died at age 87; and more on tonight's broadcast of World News Tonight with David Muir.