The incident happened just after 3 p.m. at Avenue M and Ocean Parkway in the Midwood section.
The victim was taken to the Maimonides Medical Center in critical condition.
The driver of the vehicle stayed at the scene.
Ocean Parkway has lane closures as a result.
This was the third serious accident in Brooklyn in a two-hour span.
75-year-old woman fatally struck by truck in Brooklyn
This is breaking news. This story will be updated as more information becomes available.
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