Australia shutting out World Cup boo-boys

Australia launched their World Cup campaign with an efficient victory over Afghanistan -- and appeared totally unfazed by the hostile reception given to Steve Smith and David Warner.

A seven-wicket win in Bristol against the 10th-ranked nation in one-day international cricket on Saturday set the reigning champions on their way in the competition, though they know there will be tougher tests ahead.

Australia had their opponents on the ropes at five for two but the Afghans rallied and reached 207, even though they failed to bat out their 50 overs.

David Warner top-scored for Australia with 89 not out in his first official international match after completing a one-year ball-tampering ban as they reached their target with more than 15 overs to spare.

But both Warner and Smith, also banned over the "sandpapergate" scandal, were subjected to jeers from the crowd after suffering a similar fate during last week's warm-up match against England.

Two fans even watched the game in Bristol from a