article_snippet: Barcelona said Lionel Messi was fit to remain with Argentina in Washington for their Copa America warm-up friendly against El Salvador on Saturday. '
article_snippet: Lionel Messi (left) has been given the all clear to remain in Washington with the Argentina national side .
article_snippet: Lionel Messi gives the thumbs up on Lionel Messi way to the training facilities before signing autographs .
article_snippet: Messi trains with Napoli striker Gonzalo Higuain ahead of friendly matches against El Salvador and Ecuador .
article_snippet: Lionel Messi attracted hundreds of fans to the training session at Georgetown University .
highlights_snippet: Barcelona have confirmed Lionel Messi is fit enough to stay with Argentina in the US .
  