Iran and Russia will conduct naval maneuvers in the Sea of Oman on Thursday, following the latest round of talks between Tehran and Washington in Geneva, Iranian media reported.

On Monday, the Revolutionary Guards, the ideological arm of Iran's military, also launched exercises in the strategic Strait of Hormuz, a challenge to U.S. naval forces deployed in the region.

Ukraine and Russia did not find agreement on the central issues of how to end the four-year at U.S.-mediated talks in Geneva, Ukrainian President Volodymyr Zelensky said Wednesday.

"We can see that some groundwork has been done, but for now the positions differ, because the negotiations were not easy," Zelensky said in a message to journalists, including from AFP, after the talks had finished.

The Cuban foreign minister visited Moscow on Wednesday as the island faces blackouts and severe fuel shortages caused by a U.S oil embargo.

Cuban Foreign Minister Bruno Rodriguez held talks with his Russian counterpart Sergey Lavrov and was set to meet later in the day with President Vladimir Putin.

Iran's Foreign Minister Abbas Araghchi said Tuesday the latest talks with the United States saw them agree on "a set of guiding principles" that would pave the way for a deal.

Veteran U.S. civil rights activist Reverend Jesse Jackson, one of the nation's most influential Black voices, died peacefully Tuesday morning at the age of 84, his family said.

President Donald Trump praised the late Jesse Jackson on Tuesday as one of a kind and took credit for helping the iconic civil rights leader as he fought to empower Black Americans.

A Russian military police building collapsed on the grounds of an army base outside Saint Petersburg, the local governor said Tuesday, adding that authorities were probing the causes of the incident.

Oil prices were in focus Tuesday as U.S. President Donald Trump ramped up threats towards Iran, shaking up markets subdued by holidays in Asia and the United States.

Iran's supreme leader warned on Tuesday that the country had the ability to sink a U.S. warship deployed to the Gulf, as fresh talks between the two sides concluded in Switzerland.

Russian and Ukrainian negotiators launched fresh US-brokered talks on Tuesday in Geneva seeking to end the four-year war, hours after both sides launched a fresh wave of long-range strikes.