The gunfight was the result of a long-simmering feud Competition , with Cowboys Billy Claiborne , Ike and Billy Clanton , and Tom and Frank McLaury on one side and town Marshal Virgil Earp , Special Policeman Morgan Earp , Special Policeman Wyatt Earp , and temporary policeman Doc Holliday on the other side .

The gunfight was the result of a long-simmering feud Competition , with Cowboys Billy Claiborne , Ike and Billy Clanton , and Tom and Frank McLaury on one side and town Marshal Virgil Earp , Special Policeman Morgan Earp , Special Policeman Wyatt Earp , and temporary policeman Doc Holliday on the other side .

The Secret Policeman 's Ball is the name informally used Using for the long-running series of benefit Earnings_and_losses shows staged initially in the United Kingdom to raise Cause_change_of_position_on_a_scale funds for the human rights organisation Amnesty International .

The `` Secret Policeman 's Ball '' shows Social_event are credited by many prominent entertainers with having galvanised them to become Becoming involved with Amnesty and other social and political causes Causation in succeeding years .

In March 2012 , `` The Secret Policeman 's Ball '' took place Process_start in the United States for the first time .