United Kingdom, Sept. 4 -- Jack Osbourne has described the devastating moment he was told his father had died at the age of 76.

The reality TV star's dad Ozzy passed away on 22 July at his Buckinghamshire home and was laid to rest in a private ceremony beside the estate's lake the following day.

His death, caused by acute myocardial infarction and out-of-hospital cardiac arrest -following a brutal battle with Parkinson's disease and amid agony after a series of back surgeries - came just weeks after what proved to be his final live performance in Birmingham.

In a new YouTube video, Jack, 39, recalled the last time he saw his father.

He said: "My dad was great. He was in a good mood, he was happy."

Jack added about the moment he was t...