Donald Trump said the CIA had never made a determination about who killed the Saudi writer Jamal Khashoggi. Trump was questioned at the White House about his decision not to further punish Saudi Arabia for the death of the US-based columnist for The Washington Post, who has been critical of the kingdom. He said oil prices would 'skyrocket' if the US made a 'terrible mistake' to break with Saudi Arabia. Trump said he was only focused on 'putting America first'

• Trump 'stands with' Saudi Arabia and defends crown prince over Khashoggi