70th anniversary of Nelson coal mine tragedy

Residents from the North Bohemian town of Teplice and its surroundings are commemorating the 70th anniversary of a tragic accident that took place at the nearby Nelson u Oseku coal mine. 144 miners lost their lives on January 3, 1934, after gathered coal-dust exploded. What led to the explosion was never determined. The accident is the second worst coal mine accident in the country's history.