A suicide bomber targeted a supply convoy for Nato-led troops in southern Afghanistan today, killing a local guard and wounding four others, while a separate clash left four militants dead, officials said.

An investigation into US-led airstrikes that slammed into Afghan homes where Taliban fighters sought shelter found that 62 insurgents and 45 civilians were killed, two Afghan officials said today.

US-led coalition air strikes in southern Afghanistan left at least 30 people, including women and children, killed or wounded, an official said today.