Update, 11:15 a.m.
One lane on southbound I-684 near the Saw Mill Parkway junction has reopened after an earlier Friday morning crash shut down both lanes.
Original report, 10 a.m.
One person was ejected from a vehicle in a single-vehicle crash that has two lanes of I-684 closed in Katonah, according to the New York State Police.
The crash occurred just before 9 a.m. Friday, near Exit 5 (the Saw Mill River Parkway), and has closed the southbound center and left lanes, said Trooper AJ Hicks.
One woman with serious injuries was transported to Westchester Medical Center, said state police.
Motorists should expect long back-ups.
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