article_snippet.sent: The claim appears to be the first in Afghanistan by ISIS, CNN's Nick Paton Walsh said.
article_snippet.sent: The claim was made by an offshoot called ISIS Wilayat Khorasan.
article_snippet.sent: ISIS refers to Afghanistan and Pakistan as the province of "Khorasan."
article_snippet.sent: In March, CNN reported on ISISAfghanistan.
article_snippet.sent: Fears about ISIS involvement in the region have been growing this year.
article_snippet.sent: And later that same week, Gen. John Campbell, the top U.S. and NATO commander in Afghanistan, told the Senate Armed Services Committee that he was concerned about the growth of ISIS in the area.
article_snippet.sent: CNN's Brian Walker, Ben Brumfield and Don Melvin contributed to this report.