A call between President Donald Trump and Denmark Prime Minister Mette Frederiksen about Greenland recently spiraled out of control, according to several officials briefed on the call. The Financial Times first reported Friday on the 45-minute call between Trump and Frederiksen,

Denmark’s Prime Minister Mette Frederiksen has called the country’s business leaders to a meeting on Thursday after US President-elect Donald Trump last week threatened military or economic action such as tariffs to take control of Greenland.

Danish Prime Minister Mette Frederiksen held a phone conversation with President-elect Donald Trump on Wednesday to discuss strengthening the security of Greenland and the Arctic, according to the office of the Danish government leader.