article_snippet: The Republic of Ireland squad train ahead of Sunday's Euro 2016 qualifier with Poland at home .
article_snippet: Assistant manager Roy Keane appeared in good spirits during the training session on Monday .
article_snippet: Assistant manager Roy Keane watches on as Ireland players, including keeper Shay Given (left), take part in practice .
article_snippet: Stephen Quinn and Kevin Doyle (right) share a laugh while jogging during the training session on Monday .
highlights_snippet: Ireland face Poland in a vital Euro 2016 qualifier on Sunday .
  