After spending her first six months of life in the hospital undergoing treatment for a rare form of acute leukemia, Oakley Regan is home. Linsey Davis reports. https://abcnews.go.com/ | ABC World News Tonight with David Muir

A massive crane came crashing down on a dockyard in Everett, Massachusetts, killing at least two people. An investigation is underway to determine what caused the collapse. David Muir reports. https://abcnews.go.com/ | ABC World News Tonight with David Muir

Tropical Storm Melissa is gaining strength in the Caribbean and is expected to become a major hurricane in the coming days, with watches posted in Jamaica and Haiti. Lee Goldberg times it all out. http://abcn.ws/PckkZ3X | ABC World News Tonight with David Muir