Putin speaks to Trump, condemns Israel's strikes on Iran: Kremlin

Moscow: Russian President Vladimir Putin spoke to US President Donald Trump for 50 minutes on Saturday, condemning the Israeli military operation against Iran and expressing concern about the risks of escalation, the Kremlin said.

"Vladimir Putin condemned Israel's military operation against Iran and expressed serious concern about a possible escalation of the conflict, which would have unpredictable consequences for the entire situation in the Middle East," Kremlin aide Yuri Ushakov told reporters.

Trump, for his part, described events in the Middle East as "very alarming," according to Ushakov. But the two leaders said they do not rule out a return to the negotiating track on Iran's nuclear programme, Ushakov said.

On Ukraine, Putin told the US leader that Russia was ready to continue negotiations with the Ukrainians after June 22, according to state news agency RIA.

Trump reiterated his interest in a speedy resolution to the conflict, the Kremlin aide said.

Putin also congratulated Trump on his 79th birthday.