luanda angola constitutional court reject wednesday appeal large opposition party annul result last month election give landslide victory rule mpla party 38 page court document constitutional court say evidence present national union total independence angola unita prove irregularities bias electoral process rule final appeal spokesperson unita say party immediate comment people movement liberation angola mpla aug 23 vote 61 percent unita second 27 percent unita argue multiple provinces result present national electoral commission differ considerably tally allege result product local vote count instead centrally engineer constitutional court dismiss argument say poll station tally present unita show bias party angola 's opposition lose appeal annul election result