Sacked Tillerson: US must respond to Russia's behavior

Outgoing Secretary of State Rex Tillerson warned in his farewell remarks on Tuesday that Washington must do more to respond to Russia's "troubling behavior and actions."

After he was sacked by President Donald Trump, Tillerson also said US efforts to pressure North Korea had worked better than expected and revealed he would pass authority to his deputy at midnight.

The former oil executive said he would remain at the department until March 31 to conclude an administrative handover, but that Deputy Secretary John Sullivan would take charge.

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AFP