Fiji's military chief should accept the decision of the country's government to sack him and step down, Prime Minister Helen Clark says. Simmering tension between Fiji's government and the military climbed another notch on Tuesday after reports senior military leaders had refused a presidential decision to sack their commander Frank Bainimarama. Australia has issued a new travel warning to its citizens - advising caution in the wake of the developments - but New Zealand officials have kept an upgrade on hold while they monitor events.