Four suspects were in custody in Spain in the January slaying of a reputed Colombian drug trafficker

Four suspects were in custody in Spain in the January slaying of a reputed Colombian drug trafficker, authorities said.The suspects, identified only as three Colombian nationals and a Romanian, were being questioned Friday in the slaying of Leonidas Vargas, 59, who was fatally shot while being treated in the cardiology wing of Madrid's October 12th Hospital, the Spanish news agency EFE reported Saturday.Police told EFE they also seized guns, ammunition and bulletproof vests.Vargas had been arrested in Madrid in July 2006 and was awaiting trial in a cocaine-trafficking case. He had been on a list of Colombia's most wanted drug traffickers.