article_snippet: In Washington, White House spokesman Josh Earnest said the U.S. had seen no indications of an operational link between the Islamic State group and Friday's attacks.
article_snippet: White House spokesman Josh Earnest said the U.S. the U.S. was investigating to see whether the IS branch in Yemen has the command-and-control structure in place to substantiate the IS branch in Yemen claim of responsibility.
article_snippet: White House spokesman Josh Earnest said it was plausible that IS was falsely claiming responsibility for the incident. '
article_snippet: It does appear that these kinds of claims are often made for a perception that it benefits these kinds of claims propaganda efforts,' White House spokesman Josh Earnest said.