Iran said Monday that the U.S. position on Tehran's nuclear program "has moved towards a more realistic one" ahead of a second round of talks.

A drone attack on a crowded market in central Sudan killed 28 people, a rights group reported Monday, as the army and its paramilitary rivals traded aerial strikes in their battle for territory.

TV producer Dana Eden, who co-created the hit Israeli spy thriller series "Tehran", has been found dead in a hotel room in Athens, Greek police told AFP on Monday.

Iran's foreign minister arrived in Geneva ahead of a second round of negotiations with the United States, as the Revolutionary Guards on Monday begin military drills in the strategic Strait of Hormuz.

Some residents of Tehran on Sunday chanted slogans against the clerical leadership from balconies and windows, reports said, a day after Iranians abroad staged giant opposition rallies in Europe and North America.

Israeli Prime Minister Benjamin Netanyahu said on Sunday that any deal between the United States and Iran must involve the removal of all enriched uranium from Iran as well as Tehran's ability to enrich more.

EU top diplomat Kaja Kallas pushed back Sunday against Europe "bashing" by the United States, as she said Russia must be forced to make concessions in talks to end the Ukraine war.

"Contrary to what some may say, woke, decadent Europe is not facing civilisational erasure," Kallas said on the last day of the Munich Security Conference.

The exiled son of Iran's last shah said he was ready to lead the country to a "secular democratic future" at a rally in Munich on Saturday, after U.S. President Donald Trump said a change of power would be the "best thing".

U.S. Secretary of State Marco Rubio said Saturday that he did not know if Russia was serious about ending its war against Ukraine, as Washington pushes for a swift peace deal.

The U.S. and Iran are expected to hold a second round of nuclear talks in Geneva next Tuesday in an effort to reach a deal that prevents war, a U.S. official and three sources with knowledge told U.S. news portal Axios.