Afghan police officers and foreign soldiers arrive at the site of a suicide attack in Kandahar province in Januray 2012.
A car bombing attack outside a district police headquarters in southern Afghanistan killed at least five policemen, a government official said.

A suicide car bomb attack outside a district police headquarters in southern Afghanistan killed at least five policemen, a government official said.

A suicide bomber detonated a vehicle full of explosives outside the Argistan district building in Kandahar province. Six policemen were injured, Javid Faisal, the provincial governor's spokesman, told AP.

A series of attacks on security forces have recently taken place in the region, considered to be a hub of Taliban activity in Afghanistan.

In a separate incident, another five policemen were killed in eastern Afghanistan, also seen as a centre of Taliban activity.

A roadside bomb attack bloew up a police vehicle in Kunduz province's Dashti Archi district, AP reported.

The head of the district's anti-terrorism police and another two people who were in the vehicle died as a result of the blast, said district chief Shaik Sadaruddin.

Two policemen were also killed after a grenade was thrown at them at a police checkpoint in Jalalabad city capital of Nangarhar province.