Follow MailOnline's live coverage of the Israel-Iran conflict as Donald Trump says he will make a final decision within the next two weeks on whether the US will join the fight.

Russia warned Israel against its strikes on Iranian nuclear sites, saying it puts the world on the "brink of a catastrophe". Israel has struck nuclear facilities across Iran, including at Bushehr, Natanz, Isfahan, and Arak. It accuses Iran of seeking to build a nuclear bomb. Tehran says its nuclear program is for civilian energy purposes.

Potential use of tactical nuclear weapons by the United States in Iran would be a catastrophic development, Russian state news agency TASS quoted Kremlin spokesman Dmitry Peskov as saying on Friday.