A roadside bomb explosion killed four policemen in southern Afghanistan, while a NATO soldier died in a Taliban attack in the east of the country, officials said on Monday.

Two more policemen were injured when their vehicle was blown up by a roadside bomb in Gerishk district in the southern province of Helmand on Sunday, the Interior Ministry said in a statement.

The ministry blamed Taliban—led insurgents for the attack.

Afghan police forces have borne the brunt of the nearly nine years of Taliban insurgency. According to ministry figures, at least 14 policemen were killed and 36 were injured in attacks last week.

Also on Sunday, a soldier of the NATO—led International Security Assistance Force (ISAF) was killed in an insurgent attack in eastern Afghanistan, the alliance said in a statement.

The ISAF statement did not disclose the nationality of the soldier, nor did it say where exactly in the region the incident took place. Most of the troops deployed to the eastern region are from the United States, with French and Polish military units are also based there.

The latest death took to 187 the total number of international forces killed in the Afghan conflict so far this year.

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