The first group of rescuers and divers today entered a flooded Chinese mine where 153 workers have been trapped for almost a week, but returned within hours and described the situation underground “very difficult.”

Chinese police were hunting for two men responsible for a coal mine in northern China where an explosion caused the deaths of 105 people in the country’s second deadliest mining accident this year, the government said today.

A coal mine blast in northern China left at least 54 workers dead and another 22 missing, the government said today.