Hassan Rouhani said before leaving Iran that foreign forces operating in Syria without approval from the Damascus government should leave.
The Kremlin said on Monday no planning discussions had been held on a proposed summit between Russian President Vladimir Putin and Donald Trump since the US leader proposed the meeting in a phone call on March 20.
President Vladimir Putin flew to the scene in the Siberian city of Kemerovo two days after the tragedy and laid roses at a makeshift memorial.
Russian President Vladimir Putin will enter Sunday's election with little agreement among his top policymakers on an economic strategy for his next term, officials and analysts said.
Russian President Vladimir Putin has said that under no circumstances would he give Crimea back to Ukraine, speaking in a new documentary released Sunday ahead of his expected re-election in next week's poll.
Russian President Vladimir Putin, who is expected to be reelected for a fourth term in an upcoming ballot, said Saturday he had no plans to change the constitution to stay in the Kremlin beyond 2024.
Russia will establish a humanitarian corridor and implement a five-hour daily truce in Syria's eastern Ghouta, it said on Monday, after a UN Security Council resolution demanding a 30-day ceasefire across the entire country.
French President Emmanuel Macron urged his Russian counterpart Vladimir Putin on Friday to help ease civilian suffering caused by Syrian government attacks on rebel positions.