This report contains five appeal cases for trade unionists from around the world who have suffered human rights violations. The cases are: the political killings of trade union leaders Guillermo Marin, Luis Efren Correa and Jairo de Leon Agudelo in Colombia; the arrest, detention without charge or trial and reported torture of Ali al-Mahi Al-Sakhi, President of the Central Foundry Workers Trade Union of Sudan; Muchtar Pakpahan, Chairman of the SBSI trade union in Indonesia, who is a prisoner of conscience; trade union leaders believed to be in incommunicado detention in Nigeria (Chief Frank Ovie Kokori, Olu Aderibigbe, Francis A Addo, Fidelis Aidelomon and Wariebi Kojo Agamene); and Bilall Idrizi, a member of the Independent Trade Union of Police officers of Kosovo (Yugoslavia), who was detained and tortured.