NATO officials say Afghan security forces have killed 25 suspected insurgents during a clash in southern Afghanistan.
Officials say the insurgents were killed after they attacked an Afghan police checkpoint in Helmand province Wednesday.
In other violence, NATO officials say one civilian and three NATO soldiers were wounded when an explosive device struck their vehicle in western Afghanistan. Officials say a bomb or a land mine hit the NATO convoy in the city of Herat.
Elsewhere, Afghan authorities say one Afghan civilian was wounded when a suicide car bomber killed himself in southern Afghanistan. The authorities say the bomber blew himself up near a NATO convoy in Kandahar city this Wednesday morning.
Police say there were no casualties among NATO troops.
Meanwhile, Australia says it is withdrawing its 200 special forces from southern Uruzgan province.
Australia's defense chief says the troops have spent a year in Afghanistan and need rest. He says Australia will send at least 400 more troops to work on reconstruction projects in the south.
Some information for this report was provided by AFP, AP and Reuters.