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.

Suspected Taliban militants ambushed and killed six Afghans today as they were transporting the body of a government engineer who was killed on Wednesday in another deadly rebel attack, officials said.

Suspected Taliban militants shot dead seven people working for an international aid group in southern Afghanistan today, an official said.

Afghan security forces have killed three suspected Taliban rebels and arrested 13 others in different regions of southern Afghanistan, according to officials.

The bullet-riddled bodies of five government soldiers were found in southern Afghanistan today, a day after they were abducted by suspected Taliban, an Afghan official said.