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We apologise to customers for the difficult conditions today, and thank everyone affected for their patience and understanding.
More top news
As North Korea's main trading partner, China's cooperation is critical to any efforts to derail Pyongyang's development of nuclear weapons.
Union boss says he "deeply regrets" the disruption to people's travel plans after several days of talks failed to break the deadlock.
Thousands of people downstream of a dam have been evacuated, but authorities are unable to reach many on the hurricane-hit island.