The United Nations nuclear watchdog warned that Iran has hit the "gas pedal" in its nuclear program as it continues to ramp up production of near-weapons grade uranium as President Donald Trump enters the White House.

The United Nations will this week appeal for $910 million to help tackle a humanitarian crisis in northeastern Nigeria, which has been in the grip of an Islamist insurgency since 2009 and was hit by flooding last year,

Iran delivered a conciliatory message to Western leaders in Davos on Wednesday, with a top official denying it wants nuclear weapons and offering talks about opportunities, days after its arch adversary Donald Trump's return to the White House.

"No, Elon Musk did not do those salutes," New York Rep. Elise Stefanik told Democratic Sen. Chris Murphy when pressed before lawmakers at her confirmation hearing.

Operations at a Red Sea port in Yemen used for aid imports have fallen to about a quarter of its capacity, a UN official said on Tuesday, adding it was not certain that a Gaza ceasefire would end attacks between the Iran-backed Houthis and Israel.

Elise Stefanik told Sen. Chris Murphy that she is more worried about a senator wasting time during the confirmation hearing for a UN Ambassador asking about it than she is about Elon Musk appearing to do a Nazi salute.

The three female hostages were released as part of the phased ceasefire agreement Israel and Hamas reached last week.

Faisal bin Farhan Al Saud, Saudi Arabia's foreign minister, describes it as a "blatant and glaring" failure. The best film and TV-inspired Lego sets, from Twilight to Harry Potter

Iran must make a first step towards improving relations with countries in the region and the United States by making it clear they do not aim to develop nuclear weapons, U.N. Secretary-General Antonio Guterres said on Wednesday.

At a hearing to confirm her as the U.S. ambassador to the United Nations, Elise Stefanik vowed to represent Trump's 'America first' agenda.