Storms prompted flash flood warnings across the New York City metropolitan area Monday night, with photos showing severe flooding across the city and in parts of New York state and New Jersey. Heavy rain moved through the region Monday,

The subway system, which is more than a century old, is relied on by millions of passengers every day and weaves the city into a cohesive network.

Heavy rains and flash flooding in the northeast have caused two deaths in New Jersey. More rain is expected through mid-week for portions of the eastern and central U.S.