[img]http://d.yimg.com/a/p/ap/20100215/capt.a58953260d4e4835b4819aa1d240c276.aptopix_afghanistan_xdg109.jpg?x=130&y=88&q=85&sig=Xnj0NLFd5_A7pY4sCUKNcg--[/img]AP - Three more Afghan civilians were killed in the assault on a southern Taliban stronghold, NATO forces said Tuesday, highlighting the toll on the population from an offensive aimed at making them safer.