Just three days before US President-elect Donald Trump returns to the White House, Russia and Iran are set to finally sign a “comprehensive partnership agreement,” a deal that’s been in the works for months.

Russian and Iranian officials say the “comprehensive strategic partnership treaty” covers all areas -– from trade and military cooperation to science, education and culture. The 20-year treaty could be extended further.

Russia's military on Tuesday said it would retaliate against Ukraine after Kyiv attacked Russian regions by firing six U.S.-made ATACMS ballistic missiles, six UK-made Storm Shadow cruise missiles and launching one of the biggest drone attacks to date.

Russia has stepped up its bombardments of Ukraine's power sector and other energy infrastructure since March 2024, knocking out half of the available generating capacity and forcing long, rolling blackouts across the country.