Marco Rubio confirms Donald Trump's serious interest in acquiring Greenland for national security, amid concerns over China's rising influence in the Arctic.
Read morePanama's President denies any negotiations regarding canal ownership, dismissing US claims of Chinese control as both countries prepare for diplomatic talks.
Read moreDonald Trump's demands for Greenland fueled tensions in a 'horrendous' call with Denmark's PM, raising concerns over U.S.-Danish relations.
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