A flash flood warning was in effect in New York City until 9:45 p.m., and New Jersey Gov. Phil Murphy declared a state of emergency. Middlesex, Morris and Somerset counties remained under a flood warning until 7:15 a.m. Tuesday.

Watch as a subway station in New York City becomes submerged by floodwater amid heavy rainfall.Footage taken by an eyewitness onboard a carriage on Monday (14 July) shows torrents of water rushing into the platform at 28th Street Station as horrified onlookers watched on.

The heavy downpours wreaked havoc across the city with footage showing commuters overwhelmed by floodwaters in various subway stations.

New Jersey is under a state of emergency after a flash flood caused at least two deaths in Plainfield and damage across Union County.

Flash floods are occurring across the U.S., from Texas to New Jersey. Here's what you should know as risks escalate.

Severe flash flooding across the tri-state area on Monday caused subway delays and road closures across the Big Apple and pushed New Jersey to declare a state of emergency. All five boroughs and Nassau County are under a flash flood warning through midnight.

Severe flash flooding struck New York City, Westchester County, Staten Island, and Rockland County, Bergen, Essex, Hudson, Passaic