article_snippet.sent: After Jacob Church, 21, and Joe Tobin, 29 six-hour ordeal, eventually fire crews with specialist drills were able to cut through the thick concrete walls.
article_snippet.sent: Fire crews managed to drill through the wall and pass the pair glow sticks and ear plugs .
article_snippet.sent: Fire crews arrived at 1.48am and initially tried to unlock its thick metal door.
article_snippet.sent: But when that didn't work, Fire crews had to drill through the wall to create a hole large enough for the two men to escape. '
article_snippet.sent: Fire crews tried drilling for two hours but then had to call for back-up and then more back-up,' Mr Church said.
article_snippet.sent: At that point, two fire engines and a specialist urban search and rescue team arrived and use drilling equipment to penetrate the thick concrete walls.
article_snippet.sent: Fire crews drilled a small hole through its thick metal door to speak to the pair and passed the pair glow sticks for light and ear plugs.
article_snippet.sent: Fire crews drilled around 15 inch-wide holes into the thick wall, which was reinforced with metal bars.
article_snippet.sent: Fire crews eventually created a big enough hole for the two men to crawl out unharmed at 6.45am.
highlights_snippet.sent: Had to be rescued by fire crews who drilled through thick concrete walls .