Police in the Mexican city of Cuernavaca have found the body of a journalist inside the boot of his own car. It follows the deaths last month of four other journalists, sparking fears for press freedom.
Rene Orta Salgado had formerly been a local newspaper reporter but had left to campaign for opposition presidential candidate Enrique Pena Nieto.
As battles between rival drug gangs become more brutal, cartels are trying to control media coverage.
Pena Nieto and his Institutional Revolutionary Party have been accused by the government of hampering efforts to curb the cartels by using Congress to block the formation of a national police force, designed to replace hundreds of local corrupt ones.