Cooperation between Russia and Iran has given Iran the means and cover to act aggressively. Even as Moscow's support has been revealed as hollow, it still drives action.

The death toll continues to rise in the war with Iran. At least 1,230 people are dead in Iran, more than 200 in Lebanon and around a dozen in Israel have been killed, along with six U.S. troops.

President Trump warned Iran that it would be "hit very hard," after calling for the country's "unconditional surrender."

The information has included satellite imagery showing the locations of military personnel. But some officials played down the significance of the partnership.

The White House downplayed reports Russia shared intelligence with Iran, saying it has not affected U.S. military operations.

Ukraine is preparing to despatch military drone specialists to Gulf states to help them fend off Iranian-designed drones -- something the Ukrainian army has been doing since the start of Russia's invasion.

Vladimir Putin’s spies began sharing intelligence with Tehran as soon as the conflict broke out, sources claim - Gavriil Grigorov/Sputnik/Kremlin Pool Photo via AP/File Russia is providing Iran with intelligence to strike American military targets in the Middle East.