UN Chief concerned about sinking of S. Korean corvette

20.05.2010 UN Secretary-General Ban Ki-moon has called the contents of the investigation into the sinking of South Korea's Cheonan corvette "deeply troubling". A report by investigators, concluded that a North Korean submarine had fired the torpedo that sank the Cheonan corvette in March, killing 46 sailors. The US, Britain and Japan have also issues statement condemning Pyongyang. North Korea is denying all accusations, saying that the results of the investigations were framed. Pyongyang also said it is ready to go to war if new international sanctions against North Korea are introduced.