WEST WINDSOR - Heavy rains caused massive flooding across New Jersey Saturday, particularly in Mercer and Middlesex counties.

News 12 New Jersey reporter Ranji Sinha was in Princeton, where flooding closed numerous roadways and prompted crews to help stranded cars and motorists.

Canal Pointe Boulevard saw major flooding and was closed for several hours.

West Windsor had declared a state of emergency Saturday and told people to stay off the roads.

A flash flood warning had been issued for several areas.