The U.N. chief ratcheted up his warning about climate change and said the world's thirst for fossil fuels is a “Frankenstein monster" that spares no one, while calling for greater attention to risks posed by artificial intelligence if its ascent goes ungoverned.

Bankers at JPMorgan worked through the night in a "war room" to try and assess the early impact of U.S. President Donald Trump's administration on global trade, regulation and other matters, an executive at the bank said on Tuesday.