Seven Nato soldiers have been killed in southern Afghanistan.
The alliance said in a statement that all seven died in a roadside bomb explosion today.
It did not release further details.
Tens of thousands of US, Nato and Afghan forces have been working for months to rout the Taliban from their strongholds in the south.
The Taliban have retaliated with targeted assassinations of Afghan officials and attacks on Afghan and coalition forces.
Besides the seven troops killed in the roadside bombing, one Nato service member was killed when a helicopter crashed in the east.
It was the deadliest day for coalition forces in Afghanistan since April 27, when a veteran Afghan military pilot opened fire at Kabul airport after an argument and killed eight US troops and an American civilian contractor.
Thirty-eight international service members have been killed so far this month, including at least 13 Americans. So far this year, 189 coalition troops have died in Afghanistan.