FONTANA ( — A murder investigation continued Monday after a 51-year-old man was killed and two others were injured over the weekend in Fontana.

Fontana Sheriff’s deputies were flagged down about a shooting just before 4 p.m. Saturday in the 9000 block of Beach Avenue.

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Three male victims were located suffering from apparent gunshot wounds.

They were transported to a local hospital where Ronald Belk, 51, of Trabuco Canyon was pronounced dead a short time later.

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A 48-year-old and 15-year-old remained hospitalized in unknown condition.

No suspects have been identified.

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Anyone with information was asked to contact Det. Troy Mooradian or Sgt. Scott Landen (909)387-3589. Callers wishing to remain anonymous can contact the We-Tip Hotline at 1-800-78-CRIME (27463) or online.