哥伦比亚一客机坠毁，机上15人全部遇难，其中包括一名国会议员及一名总统候选人

Group 1 - The Colombian Minister of Transportation, Rojas, announced that a Satena aircraft lost contact during a domestic flight on January 28 [1] - The flight HK 4709, operated by Satena, crashed in the northeastern region of Colombia, with all 15 people on board confirmed dead [1] - Among the deceased were 13 passengers and 2 crew members, including a congressman and a presidential candidate [1] Group 2 - The crash occurred in an area with adverse weather conditions, which may have contributed to the loss of contact with air traffic control [1]