One soldier with the NATO-led coalition forces was killed in a blast in restive eastern Afghanistan on Friday, the coalition confirmed in a press release.\"An International Security Assistance Force (ISAF) service member died following an improvised explosive device attack in eastern Afghanistan today,\" the ISAF said in the release.However, the brief release did not reveal the nationality of the victim under the ISAF policy, only saying \"It is ISAF policy to defer casualty identification procedures to the relevant national authorities,\"The latest causality brings the number of foreign soldiers killed in Afghanistan to 22 so far this year.Currently about 100,000 NATO-led ISAF forces, with nearly 66, 000 of them Americans are deployed in the country to help provide security in the war-hit central Asian state.