Update 1 p.m.: Some lanes have been reopened 

Update 3:30 p.m.: State Police say 25 vehicles were involved in a chain reaction crash.

The Tappan Zee Bridge iced over causing multiple accidents and forcing officials to close the bridge in both directions.

Just before 10 a.m., there were multiple reports of a serious car accident on the Mario Cuomo Bridge, or what many still call the Tappan Zee Bridge.

The bridge quickly iced over during the rush hour commute, causing officials to close the bridge in both directions, according to State Police.

Twenty five vehicles were involved in a chain reaction type accident which started on the northbound side of I-87. The jersey barrier was struck and pushed into the left lane of southbound traffic causing additional accidents.

State Police told NBC that there were multiple accidents on the bridge involving multiple injuries and car crashes.

As of this writing, four injuries were reported, including a woman who was tossed from her car and pinned to a guardrail, ABC reports. All of the injuries appear to be non-life threatening injuries.

On Twitter, Rockland Fires said there was at least one entrapment. While Kempter's Fire Wire tweeted about at least 7 injuries with two people unconscious.

This is a developing story and we will update it if more information is available.

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