Saturday night in Brooklyn was a bloody one, police say, with one man killed and five other people hurt in shootings around the borough.Police say a 25-year-old man was killed on Sackman Street late last night. Investigators say they arrived to find the man's body riddled with gunshot wounds, and he was pronounced dead at Brookdale Hospital. The victim's identity has not yet been released.Just blocks away on Riverdale Avenue, police say a man and woman were both shot in the legs. They are expected to recover.On Thatford Avenue in Brownsville, police say a backyard barbecue was cut short when a drive-by shooting left three people injured. Officials say a 37-year-old woman was shot in the abdomen and is in critical condition at Brookdale Hospital. Two other men were hurt in that shooting, but both are listed in stable condition.So far, no arrests have been made, police say. People with information on any of the shootings are urged to call Crime Stoppers at 1-800-577-TIPS.