CROWN HEIGHTS, Brooklyn — A group of violent attackers beat a man so severely on a Brooklyn sidewalk that he ultimately died and now police are asking for the public’s help to find the assailants.

The assault began about 4 a.m. Aug. 22 in front of 214 Utica Ave., police said.

The victim — identified as Michael Brown, 38 — was kicked and punched by five men and left on the sidewalk. Emergency medical personnel responded to the scene, but Brown refused treatment, police said.

Several hours later, at about 5:30 p.m., officers were called to Brown’s home on Park Place where they found the 38-year-old semi-conscious and spitting up blood, NYPD said.

He was taken to a hospital where he was pronounced dead, police said. Brown’s death has been ruled a homicide. The Medical Examiner’s officer will determine his cause of death.

Police are asking for the public’s help to identify five males believed to be involved in the deadly beating. They released multiple surveillance photos of the suspected assailants.

No motive for the attack was released.

Anyone with information in the case is urged to call NYPD’s anonymous Crime Stoppers Hotline at 800-577-TIPS.