A man is in critical condition after he was shot Sunday night in northwest Miami-Dade County.

The shooting occurred shortly before 11 p.m. near Northwest 63rd Street and Northwest 18th Avenue.

Police said the 33-year-old man was walking with a woman when someone approached them from behind and opened fire, striking the man several times.

The man was taken to Jackson Memorial Hospital's Ryder Trauma Center. No other injuries were reported.

A motive for the shooting was not immediately known.