Belarus : A U.N. team sent to investigate the possible breach of security is fired upon . A spokesman for the government of Belarus denies breaking the embargo . The secretary - general is pushing for an urgent meeting of the U.N. Security Council . A spokesman for Ban Ki - moon says the first troops reportedly arrived Sunday .
NEW : A U.N. team sent to investigate the possible breach of sanctions is fired upon . A spokesman for the government of Belarus denies breaking the embargo . The secretary-general is pushing for an urgent meeting of the U.N. Security Council . A spokesman for Ban Ki-moon says the first helicopter reportedly arrived Sunday .