A pair of multicar pileups — including one involving dozens of vehicles — in icy conditions on interstates in the Philadelphia area claimed at least three lives on Sunday as hundreds of crashes were reported across eastern Pennsylvania.

A crash involving an estimated 30 to 50 vehicles on Interstate 76 early Sunday killed one person, state police said. The crash blamed on "flash-freezing" prompted closure of the highway in both directions, although one lane was reopened in the afternoon.

Two other people were killed in a crash involving multiple vehicles on Interstate 476.

Freezing rain lashed the New York region on Sunday, causing hundreds of crashes and slowing response to calls for emergency medical ­service.

In New York City, the fire department had a backlog of more than 600 emergency medical calls at one point.

More than 400 crashes were reported in New Jersey.

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