Categories News US says no proof for IS claim American killed in airstrike Post author By crystalg Post date February 7, 2015 Read more at… Yahoo News – Top Stories Tags airstrike, american, claim, killed, Proof, Says ← Rosie O’Donnell exiting ‘The View’ after 2nd brief stay → ‘Selma,’ ‘black-ish,’ among big NAACP Image Award winners