The United States' new top envoy for North Korea said on Monday in Seoul that he looks forward to a "positive response soon" on dialogue from North Korea.

The United States will donate 750,000 Covid-19 vaccine doses to Taiwan as part of the country's plan to share shots globally, US Senator Tammy Duckworth said on Sunday, offering a much-needed boost to the island's fight against the pandemic.

The United States on Friday announced punitive measures against Belarus targeting the regime of strongman President Alexander Lukashenko, who met with Russian leader Vladimir Putin amid a global outcry over the forced diversion of a European plane.

Two ancient sandstone artefacts believed to have been stolen from Thailand during the Vietnam War are set to return from the United States Friday night, officials say.

Turkey Saturday accused the United States of trying to rewrite history, resoundingly rejecting US President Joe Biden's decision to formally recognise the Armenian genocide.

The hard-hit United States has passed a hopeful milestone as half its adults have had at least one Covid vaccine dose and from Monday all its over 18s will be eligible to get their shot.

The United States and China are "committed to cooperating" on the pressing issue of climate change, the two sides said Saturday, issuing the pledge days ahead of a key summit hosted by President Joe Biden.

Iran's foreign minister warned Tuesday that "acts of sabotage" and sanctions will give the United States no extra leverage in talks on reviving a troubled 2015 nuclear deal.

The United States, South Korea and Japan began a day of talks on Friday to discuss President Joe Biden's long-awaited review of North Korea policy and other pressing concerns, including a shortage of semi-conductor chips.

The United States on Wednesday ordered the departure of non-essential diplomats from Myanmar, amid growing violence following the military coup to oust civilian leader Aung San Suu Kyi.

Iran must refrain from any provocation as Washington steps up efforts to salvage the 2015 nuclear deal with Tehran, the head of US forces in the Middle East told AFP.

The US has moved to delist Yemen's Houthi rebels as a terrorist organization, removing a block that humanitarian groups said jeopardized crucial aid as the country's warring sides cautiously welcomed a push for peace by President Joe Biden.