The World football chief Sepp Blatter vowed to fight critics trying to destroy FIFA, as he launched a staunch defence of his scandal tainted organisation. Speaking before delegates of the Asian Football Confederation in Sao Paulo ahead of FIFA's 64th Congress, Blatter called for unity against people he described as the destroyers of FIFA. Blatter's rallying cry comes as FIFA faces mounting pressure over its 2010 decision to award the 2022 World Cup to Qatar. Blatter is tipped to run for a fifth four-year term as head of FIFA, and could announce his candidacy in the 2015 election at this week's congress.