virginia mine explosion, a close-knit community is still holding out hope for survival. workers drilled holes into the mine to release dangerous methane gas, but the levels are still too high, prevented rescuers from getting inside. the miners have been missing since monday when the explosion at the upper big branch mine killed 25 of their co-workers. despite the latest accident, the miners and the community are not abandoning their livelihood. you take the chance every day. you can get killed going down the road. workers want to drill another hole in the mine to lower a camera into the security chamber where te four missing men may be. there is no word when rescuers will be able to go in themselves. more questions about the safety of that mine especially after massey energy had a number of recent safety violations, including two on the day of the explosion. jay korff has what he found. we have uncovered in federal documents and a long list of safety violations leve