Exxon Mobil chief Rex Tillerson to be Trump's Secretary of State

Donald Trump has picked Exxon Mobil boss Rex Tillerson to lead the US State Department, dismissing concerns about the businessman's close ties with Russia, sources say.

Donald Trump has picked Exxon Mobil boss Rex Tillerson to lead the US State Department, dismissing concerns about the businessman's close ties with Russia, sources close to the president-elect's team have said.

Mr Trump's decision caps a lengthy process that often played out in public and exposed rifts within his transition team. It also sets him up for a potential battle with Congress over confirming Mr Tillerson, who has connections with Russian president Vladimir Putin.