Kabul  - Four Afghan police and several Taliban militants were killed in separate attack and clashes in Afghanistan, officials said Monday.

Two police officers, including a unit commander, were killed in a remote-controlled roadside bomb blast in Khoqyani district of southern Ghazni province, Ismail Khan, spokesman for provincial governor said.

Four other police officers were wounded in Monday's morning blast, Khan said.

Two other police and three Taliban militants were killed in an exchange of fire in western Ghor province on Sunday, Shah Jahan Noori, provincial police chief said.

In another incident, several Taliban militants were killed and one was detained by US-led coalition forces in Kajaki district of southern Helmand province, US military said in a statement.

The firefight in Helmand province took place on the same day as three NATO-led British soldiers were killed and another wounded in a suicide attack in the province, the military said in a statement.

NATO-led International Security Assistance Force (ISAF) confirmed the loss of its soldiers in a statement on Monday. The deaths brought the number of British forces killed in Afghanistan since 2001 to 100 soldiers. (dpa)