Kabul, Afghanistan (CNN) -- Two American troops died Sunday after separate attacks in southern Afghanistan, bringing the total of soldiers killed in the war-torn nation over the weekend to 10, NATO's the International Security Assistance Force said.
One was killed Sunday after insurgents attacked, ISAF reported, while the other died following a bomb attack.
Five Americans were killed Saturday, ISAF reported. Two of them died in a bombing in southern Afghanistan; three were killed in an eastern Afghanistan.
And three U.S. troops died Friday after bombings in various parts of Afghanistan. In one attack, two service members were killed by a roadside bomb in the eastern part of the country, ISAF said. A third died in a bomb attack in southern Afghanistan.
ISAF was formed under a U.N. mandate to bolster a secure environment and support the reconstruction of Afghanistan. NATO took command in 2003.
The force comprises troops from more than 40 countries, according to the organization.