Firefighters are warning people about the dangers of exploring abandoned mines. This warning comes as crews train for rescues that can be particularly hazardous. The risks associated with exploring these mines are a concern for emergency responders.

San Bernardino County firefighters are taking steps to prepare for potential rescues, indicating that the issue is a significant one. The training suggests that the firefighters are anticipating the need for rescue operations in abandoned mines.

Further information about the warning and the training is available from the source, providing more details about the risks and the efforts of the firefighters to prepare for emergencies.