article_snippet.sent: The gate had only been opened to those affected once before, in 2013.
article_snippet.sent: It is not known when the border gate will next be opened .
article_snippet.sent: It is not known when the border gate will next open to separated families.
highlights_snippet.sent: It was only the second time It had been unlocked by Border Patrol Officers since It was put in place in mid-1990s .
  