Sean "Diddy" Combs won't face criminal charges for reportedly punching a man after a dispute at a trendy SoHo nightspot last month, prosecutors said Tuesday.

The accuser stopped cooperating with law enforcement and also gave different versions of the incident, the Manhattan district attorney's office said, and prosecutors weren't able to prove criminal charges beyond a reasonable doubt.

The 31-year-old accuser told police he and Combs had been arguing over a woman early in the morning of Oct. 13 before the rap mogul punched him in the face.

Combs' attorney, Benjamin Brafman, called the incident a disagreement between acquaintances who have known each other for 12 years.

Brafman said he was pleased that no charges would be filed against the 38-year-old Combs.

"Both Mr. Combs and I are pleased that the DA's office and the police department conducted a very thorough investigation and came to this conclusion," Brafman said.