Kabul - A suicide bombing in western Afghanistan killed one police officer and wounded five people while at least seven militants were killed in coalition airstrike in the same region, officials said Monday.

A bomber who had strapped explosives around his body tried to enter a police station Monday in Zaranj, the capital of Nimruz province, but was stopped by guards, Governor Gulam Dastagir Azad said.

The bomber scuffled with guards before detonating his explosives, resulting in death of one police officer, Azad said.

Kabul  - Nineteen Taliban insurgents were killed in NATO airstrike and clashes with Afghan security forces in southern and eastern regions of the country, officials said Sunday.

Eight suspected militants were killed when their vehicle was destroyed by a NATO warplane in Nawa district of southern Helmand province on Saturday, Daoud Ahmadi, spokesman for the provincial governor said.

The Afghan intelligence agents had pinpointed the armed militants driving in a vehicle and then called in NATO's air support to take out the rebels, Ahmadi said.

Separately, at least six militants were killed after they attacked an Afghan police patrol in Dand district of southern Kandahar province, Abdullah Khan, deputy provincial police chief said.

Kabul  - The speaker of the US House, Nancy Pelosi met Afghan President Hamid Karzai on Saturday in Kabul for talks on a strategic review of the US mission in Afghanistan, which is currently under way in Washington, presidential palace said.

Three US-led soldiers - whose nationality was not immediately revealed - were meanwhile killed in a roadside bomb attack in southern Uruzgan province.

And hundreds of Afghans blocked a key road links Kabul city to south-eastern provinces to protest the killing and arrest of Afghan civilians by US forces.

Kabul - A would-be suicide bomber who was trying to target a US military convoy in Kabul was arrested by Afghan security forces, while seven Taliban militants were killed in two separate incidents in the southern region, officials said Thursday.

The would-be bomber was arrested in the Company area, located on western outskirts of Kabul city, on Wednesday as he was trying to target a convoy of US military forces which was passing by the area, the Interior Ministry said in a statement.

Kabul - A provincial spokesman said Wednesday that Taliban militants killed two male students for greeting a group of NATO soldiers in central Afghanistan, but the rebel website said they were executed for spying.

Ahmad Khalid, 20, and Eid Gul, 19, students at a high school in Sayed Abad district of the central province of Wardak, greeted a group of NATO soldiers passing by their village in a convoy, according to Adam Khan Serat, spokesman for the provincial governor.