Both sides launch daytime attacks, with Israeli strikes in Tehran continuing and Iran firing more missiles, most of which Israel said were intercepted.

According to the US president, trade had also been at the forefront of America's efforts to stop the Russia-Ukraine conflict, which fell through

They did not rule out a return to the negotiating track on Iran's nuclear program, a Kremlin spokesperson said.

Russian President Vladimir Putin held phone calls with Israeli Prime Minister Benjamin Netanyahu and Iranian President Masoud Pezeshkian on Friday after Israel pelted Iran with a series of strikes.

Launching weapons from within their territory forces adversaries to look not only outward but also inside for threats, one expert said.

Ukrainian President Volodymyr Zelenskyy says rising global oil prices following Israeli strikes on Iran will strengthen Russia by increasing its oil revenues, aiding its war effort in Ukraine.

Russia is prepared to continue to work to resolve issues surrounding Iran's nuclear programme, the Russian Foreign Ministry said in a statement.

Donald Trump wrote on his social media platform Truth Social, "President Putin called this morning to very nicely wish me a Happy Birthday, but to more importantly, talk about Iran, a country he knows very well.