Russia and Ukraine have resumed U.S.-mediated talks in Abu Dhabi for a second day, Kyiv's chief negotiator Rustem Umerov said on Wednesday.

"We are starting the second day of negotiations. First, a trilateral format together with the United States and Russia. After that, we will hold a separate meeting with our European partners. We are working," Umerov said on Telegram.

Iran's foreign ministry on Wednesday designated Argentina's navy and air force as terrorist organizations, following a similar move by Buenos Aires months earlier.

In late March, Argentina designated Iran's Islamic Revolutionary Guard Corps, the ideological arm of the military, as a terror organization, citing the IRGC's support for Lebanese militant group Hezbollah.

Millions of Spain's workers are striking Wednesday to demand that the government remedy the nation's housing crisis less than three weeks before a national election that could catapult the far right to power.

Spain's first general strike in 14 years is expected to cause delays to the widely used public transport system and lead to the slowdown or shuttering of businesses, factories and shops across the eurozone's fourth largest economy.

The U.N.'s top human rights body has agreed by consensus to push back a regular review of the U.S. human rights record until January, after the Trump administration snubbed the process.

The move by the Human Rights Council buys it more time to try to coax the U.S. government to take part – after the United States was set Tuesday to become the first U.N. member country ever to fully reject such a review.

France's foreign minister said Tuesday that Paris ruled out "nothing" to respond to a major cyberattack on hundreds of supermarket fridges in October that it has blamed on Iran.

Hundreds of French supermarkets were hit in the October 11 and 12 cyberattacks, which raised the temperatures in their refrigerators and freezers, forcing many to throw away entire inventories of perishable food.

U.S. and European negotiators on Tuesday expressed their "shared commitment to a strong post-war European security architecture" and insisted Ukraine's territorial integrity must be respected, on the sidelines of talks to halt Russia's war.

"The participants reaffirmed their shared commitment to a strong post-war European security architecture and arrangements, and were clear that a strong NATO will remain central to Euro-Atlantic collective defense," a joint statement from U.S., European and Ukrainian representatives said.

Three-way talks between Russia, Ukraine and the United States opened Tuesday in the United Arab Emirates, as Washington renews its push to end the war that followed Moscow's all-out invasion nearly five years ago.

The two-day session in the UAE's capital, Abu Dhabi, is the first such meeting since February. It will focus on security guarantees, the White House said before the discussions. Russia sees NATO as a threat, and Ukraine wants to prevent future Russian invasions.

U.S. President Donald Trump has asked Iraqi Prime Minister Ali al-Zaidi to convey proposals to Tehran aimed at ending the war, Al-Arabiya television reported on Monday.

“A secret visit to Tehran by an Iraqi delegation was headed by the Iraqi prime minister and Trump expressed his approval of proposals presented by the Iraqi prime minister during telephone conversations,” Al-Arabiya added.

Russia battered Ukraine's power grid again and Ukrainian forces hit another of Russia's biggest oil refineries, officials said Monday, hours before delegations from Moscow and Kyiv were due to meet for new U.S.-brokered talks on how to end the fighting.

Nearly five years after Russia invaded its neighbor, the two countries remain locked in battle with no sign that either side is ready to budge from its demands. The war has already killed hundreds of thousands of soldiers and thousands of civilians, analysts and humanitarian organizations say.

For the first time since February, Russian, Ukrainian and U.S. negotiators are scheduled to hold talks on ending the full-scale war that is nearing the five-year mark, with security guarantees topping the agenda.

The two-day session starting Tuesday in Abu Dhabi, United Arab Emirates, follows previous rounds of negotiations early this year that failed to produce any visible progress toward ending Europe's most devastating conflict since World War II.