The fast-moving storm tore through parts of Philadelphia, ripping roofing from buildings, flooding streets, and downing hundreds of trees and power lines.
Severe storms brought torrential rain and strong winds to parts of the region Monday evening, causing flooding, damage and disruptions across the area.
Rescue workers searching flooded caves in Laos reported hearing "a knocking sound" from inside the system as they sought to extricate two people.
Five people have been rescued from a flooded cave in Laos, according to the head of a Thai rescue group involved in the operation.
Cave divers are squeezing through narrow, flooded corridors in a delicate operation to reach seven villagers trapped underground in a cave in Laos for nearly a week.
Officials say a flood in the basement likely led to the power outage on Tuesday night.