BBC News | 6/18/2010 12:00:00 AM
Hopes dim of reaching trapped Colombia miners
June 18--Rescuers are again struggling to reach dozens of coal miners trapped in north-western Colombia since a fireball tore through the shaft they were in.
At least 16 bodies have been brought to the surface and it is thought about 50 others remain underground.
Experts believe there is little or no chance that any of them survived.
Rescue workers at the San Fernando mine in Amaga, Antioquia province have been battling against leaking methane gas and debris from the explosion.
Workers have been drilling holes into the shaft and pumping in oxygen to ventilate it.
Relatives of the trapped miners gathered at a local sports hall awaiting news of their loved ones, but many have already given up hope.
"It's impossible that anyone is alive," 28-year-old Diana Sepulveda told Associated Press (AP) news agency.
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