Insurgent attacks on Afghan security forces and civilians in the east killed at least 11 people Monday.
Afghan officials say that in the first incident in Ghazni province, militants killed at least four officers, while authorities in Khost province bordering Pakistan found headless bodies of four men kidnapped by militants earlier in the day.
In a third incident, a suicide bomber on a motorcycle attacked a NATO convoy in Laghman province, killing at least three Afghan civilians and wounding several others.
Also Monday, two NATO service members died in two separate incidents. One soldier was killed in a bomb blast in southern Afghanistan, while the other died of a non-battle injury in the west.
The U.S. embassy in Kabul warned of specific threats of attack in three areas of the southern Helmand province beginning Monday. The embassy said the threats relate to Afghan government facilities in the districts of Marjah, Lashkar Gah and possibly Gereshk.
In other violence Monday, coalition forces in northeastern Kunar province killed several insurgents who opened fire on their patrols.
And in eastern Paktika province, joint NATO-Afghan forces detained more than 10 suspected insurgents while searching for a Taliban senior leader.
