Tsvangirai supporters say he defeated Zimbabwe 's longtime leader in the March elections . NEW : Mugabe swears to `` truly serve Zimbabwe ... The new President of Zimbabwe, Robert Mugabe, has vowed that he will not allow the country to be taken over by foreign powers. Observers say Zimbabweans `` dragged '' to polling stations , forced to vote . Election has been condemned as a sham after opposition candidate withdrew .
NEW : Mugabe swears to `` truly serve Zimbabwe ... The new President of Zimbabwe, Robert Mugabe, has vowed that he will not allow the country to be taken over by foreign powers. Observers say Zimbabweans `` dragged '' to polling stations , forced to vote . Election has been condemned as a sham after opposition candidate withdrew .