The International Federation of Chemical, Energy, Mine and & General Workers’ Unions (ICEM) condemns the…assassination of a Colombian contract worker who was working with affiliate Unión Sindical Obrera (USO) to bring trade union rights to temporary workers at Ecopetrol’s Barrancabermeja refining and petrochemicals complex in Santander...Isidro Rivera Barrera, 45, was...in front of his home...when a gunman jumped off a motorcycle and shot him three times…The ICEM...called on Ecopetrol, its major contractor at Barrancabermeja, Foster Wheeler AG, and all other sub-contractors to ensure the security of all oil industry workers in the city. The ICEM further called on...Ecopetrol and its contractors to create workplace climates where freedom of association and rights to join unions and bargaining collectively are considered common civil liberties.