Storm Ida: Floodwater pours into New York City subway station

A state of emergency has been declared in New York after it was hit by record rainfall and deadly flash floods as a result of Tropical Storm Ida.

Videos showed floodwater pouring into a subway station, as well as passengers on a flooded bus and cars being swept away.

Mayor Bill de Blasio said the city was "enduring an historic weather event" with "brutal flooding" and "dangerous conditions" on the roads.

New Jersey also declared an emergency.