The ex-boyfriend of a woman who was fatally shot Sunday night in Brooklyn has turned himself in to police. 

Investigators say Gabriel Rivera, 26, surrendered himself at the 83rd Precinct Monday morning.

Authorities say he shot at Sade Sanchez, 24, several times Sunday night.

It happened near St. Nicholas Street and Menahan Street in Bushwick. 

Sources say Sanchez was walking with her mother and current boyfriend at the time of the incident.

She is a mother of two children.

Sanchez was taken to Wyckoff Hospital, where she was pronounced dead.