MEXICO CITY, Mexico (AFP) — Rescuers battled Wednesday to free around nine workers believed to be trapped in a coal mine in northern Mexico, President Andres Manuel Lopez Obrador said. Military personnel and rescue dogs were deployed to the scene of the accident in the state of Coahuila, Lopez Obrador said. “A coal mine collapsed in the municipality of Sabinas, Coahuila, which caused a tunnel to flood and apparently trapped nine miners,” he tweeted. “We […]