Gunmen wearing Afghan security force uniforms opened fire on a NATO vehicle Wednesday, killing two service members, the international coalition force said, NBC News reported.
NATO service members returned fire and killed the shooters, according to the statement. The nationalities of those killed have not been identified.
The incident happened in Afghanistan's southern Helmand province.
Violence has worsened throughout the country in recent years as NATO withdraws and Afghan forces struggle to hold ground in the face of militant offensives.
This is a developing story. Check back for updates.
