Dozens of flash flood warnings are in effect for millions across several states and major cities in the Northeast, as slow-moving summer storms impact the East Coast Monday evening.

New Jersey has declared a state of emergency after rain swept eastwards across the US, and become particularly heavy over the state neighbouring New York and Pennsylvania ...

Several subway lines are impacted as storms prompted flash flood warnings across the New York City metropolitan area. Video ...

Flash flood watches and warnings were in place in parts of New Jersey, New York, Pennsylvania, and surrounding areas as downpours moved through the region.