John Kerry, the top US climate diplomat and former presidential candidate, will retire in coming months, shortly ahead of a US election in November that could return Donald Trump to the White House.
Kerry, who turned 80 last month, told staff on Saturday that he would remain in his post until the end of winter or early spring, according to a person familiar with his message.
According to Axios, which first reported that Kerry would step back, the former Massachusetts senator, 2004 Democratic presidential nominee and former secretary of state will switch to helping Joe Biden gain re-election.
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