caracas venezuela government criticize canada friday announcement target sanction 40 senior officials accuse ottawa submission u.s. president donald trump bid overthrow south american country leftist administration canada move follow similar decision unite state come months protest president nicolas maduro government least 125 people kill demonstrations critics say maduro plunge nation bad economic crisis ever bring brink dictatorship maduro say face u.s.-backed arm insurrection seek foment coup canada measure include freeze assets officials ban canadians deal caracas late friday night decry sanction sign external meddle attempt churn turmoil venezuela canada government establish ... immoral association subordination government president donald trump clear aim overthrow venezuela constitutional government use economic sanction political weapons government say statement last month trump sign executive order prohibit deal new debt venezuelan government state oil company effort halt finance white house say fuel maduro dictatorship trump administration also sanction maduro july venezuela slam canada sanction say ottawa submit trump