Jamie Ward celebrates after scoring Northern Ireland's second goal in the Group F qualifierReferee Danny Makkelie shows Helder Postiga a red card for a head-butt on Gareth McAuley late in the first halfCentral defender Gareth McAuley is congratulated after heading home Northern Ireland's equaliser to make it 1-1Cristiano Ronaldo clears the ball for Portugal before going on to score a second-half hat-trick at Windsor ParkMiguel closes in on Jamie Ward during Portugal's 4-2 win over Northern Ireland in BelfastPortugal hat-trick hero Cristiano Ronaldo shields the ball from Martin PatersonJames McCarthy and Albin Ekdal in action as Sweden beat the Republic of Ireland 2-1 in DublinSweden's Johan Elmander wheels away after scoring his side's equalising goal against the Republic of IrelandRobbie Keane begins his trademark celebration after giving the Republic of Ireland the lead in their Group C qualifierZlatan Ibrahimovic and Marc Wilson contend for possession at the Aviva Stadium