article_snippet: David Duckenfield, 70, accepted Former police chief 'froze' during disaster he made right decisions on day before Former police chief ordered the opening of an exit gate to relieve congestion .
article_snippet: David Duckenfield, 70, accepted Former police chief 'froze' during disaster he made right decisions on day before Former police chief ordered the opening of an exit gate to relieve congestion outside the Leppings Lane turnstile.
highlights_snippet: David Duckenfield, 70, was in charge of stadium on day of 1989 disaster .
  