In reaching the above conclusion the learned judge was relying on two decisions which I have already cited. The said decisions were inapplicable because one was dealing with a petition under the Presidential Elections Act which did not have a statutory standard of proof and the other was determined before the enactment of the PEA. The two decisions were inapplicable to the instant appeal. The learned trial judge was influenced by the two decisions she cited when she was evaluating the evidence of bribery against the 1st respondent. In particular she stated that the allegations of bribery against him were not ‘conclusively’ proved. This was another way of saying that the allegations were 10 not proved beyond reasonable. The learned trial judge erred in so holding. The last issue to deal with is about a cost which was the ground for the crossappeal. The law is settled that costs in civil litigation follow the event and a successful party is entitled to costs except for good reason connected with the case. The decision to award or not to award costs is within the discretion of the court which tried the case. Normally an appellate court will not interfere with the exercise of discretion unless it is shown that wrong principles were followed by taking into account an 20 irrelevant factor or failing to take into account a relevant factor. In the case of Software Distributors (Africa) Ltd &another v Kambaho Perez –CA No.07/06 this court said: 29

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