At least 11 members of the Afghan National Defense and Security Forces were killed in two separate incidents in the southern province of Helmand on Sunday night, sources from security agencies said on Monday.

Two of the forces were killed in a car bomb attack in Nawa district in Helmand, sources said.

Meanwhile, militants attacked a security forces outpost in Helmand-Kandahar highway on Sunday night in which nine members of Afghan forces were killed and four more were wounded, sources said.

Security officials have not commented on the two incidents.

The attacks come amidst a sharp rise in violence in various parts of the country.

One security force member was killed in an explosion in Qarabagh district north of the city of Kabul on Monday morning.

Two explosions happened in Paghman district in Kabul on Sunday, leaving four security force members dead. The Taliban claimed responsibility for one of the incidents in Paghman that included a car bomb attack and shooting.