No Response To Rescuers' Attempts To Signal Miners

Crews finished drilling a vent hole meant to help clear toxic gas and allow rescuers to resume the search for four missing miners Wednesday. But efforts to get a response from survivors who could be trapped 1,000 feet below were unsuccessful. The cause of Monday's deadly explosion at West Virginia's Upper Big Branch mine is still under investigation.» E-Mail This     » Add to Del.icio.us