DAMASCUS, Syria -- President Bashar Assad has traveled to Moscow in his first known trip abroad since war broke out in Syria in 2011, meeting his strongest ally Russian leader Vladimir Putin. The two leaders stressed that military operations in Syria -- in which Moscow is the latest and most powerful addition -- must lead to a political process.
The surprise visit Tuesday reflects renewed confidence from the embattled Syrian president after Russia and Iran, another staunch ally, dramatically escalated their support recently as Moscow began carrying out airstrikes on Syrian insurgents and Tehran sent hundreds of ground forces.
A Syrian official confirmed Wednesday that Assad had returned to Damascus. The official spoke on condition of anonymity because he was not authorized to speak to the media.
Putin said he had invited Assad, thanking him for "coming to Moscow despite a tragic situation in your country."
Assad flashed wide smiles as he shook hands with Putin and other officials. "We thank you for standing by Syria's territorial integrity and its independence," Assad told Putin.
Syria's conflict began in March 2011 after the government cracked down violently on largely peaceful protests against Assad's rule. The protests gradually became an armed insurgency and a civil war that has killed a quarter of a million people in the past five years.
Moscow, a traditional ally of the Assad family, started an air campaign on Sept. 30 against what it said are terrorist groups threatening Syria and Assad's rule. It became the latest international power to deepen its involvement into the increasingly intractable conflict that saw a mushrooming of armed groups, including the militant Islamic State group and al-Qaida.
Russia says it is targeting militants. But critics including the U.S. say the Moscow military intervention helps props up Assad and is likely to fan the violence.
Assad said Russia's intervention was in line with international law and praised it as an effort to rid Syria and the region of terrorism.
A statement posted on the Syrian presidency's official Facebook page said Assad had three separate meetings in Moscow: talks with Putin and his foreign and defense ministers, a closed meeting between the two leaders and a working dinner.
Russian television showed footage of Putin and Russia's foreign and defense ministers meeting with Assad. Syrian government officials didn't say if anyone traveled with Assad and photos from the meeting didn't show a delegation accompanying the Syrian leader.
The statement said the meetings were to discuss the continuation of the military operations against terrorism in Syria. The aim of the military operation is to eradicate terrorism that is obstructing a political solution, the statement said.
"Terrorism which we see spreading today could have been more widespread and more harmful if it weren't for your decisions and steps, not only in our region," Assad said in remarks carried by Arab media.
Putin said that along with fighting militants, Moscow believes that "a long-term settlement can only be achieved as part of a political process with the participation of all political forces, ethnic and religious groups.
"The Syrian people have been putting up a fight against international terrorism effectively on its own for several years, sustaining sizeable losses but it has achieved positive results recently," Putin said.
Putin's spokesman Dmitry Peskov, in comments carried by Russian news agencies, declined to comment on any specific outcome of the talks.
Since June, Russia has played with the idea of a political transition that would envisage setting up some sort of interim government, and has discussed the issue with the U.S., Saudi Arabia, the Syrian opposition and others. Moscow's diplomatic efforts have brought no visible results so far, but Putin has insisted that a political solution for Syria remains his top goal despite the military action. He recently met with Saudi officials, staunch critics of Assad and supporters of the rebels fighting against him.
Moscow also has sought to alleviate the concerns of Turkey, a major economic partner and the second-biggest importer of Russian natural gas, which has been critical of Russia's intervention in Syria. Ankara also supports rebels fighting Assad.
Answering questions about Assad's visit to Moscow, Turkey's prime minister took a jab at the Syrian leader, reiterating his country's position that Assad should not have a role in Syria's future.
"If only he could stay in Moscow longer, to give the people of Syria some relief; in fact he should stay there so the transition can begin," Prime Minister Ahmet Davutoglu told reporters.
Davutoglu insisted that efforts to find a solution to the Syrian crisis should focus "not on a transition with Assad, but on formulas for Assad's departure."
Russian Defense Minister Sergei Shoigu who was present at the talks and dinner with Assad on Tuesday said in remarks carried out by Russian news agencies on Wednesday that Moscow is not going to halt its military operation in Syria.
"With our support, Syrian government forces have turned from a retreat to an offensive, liberating a part of their territory from Islamic State militants," Shoigu said. "We are going to continue rendering the assistance to the legitimate Syrian authorities and create preconditions for a settlement of this conflict."
A week after Russia launched its airstrikes, Syrian ground troops, aided by allied fighters from Iran and Lebanon's Hezbollah, pushed their way into central and northern Syria in an attempt to drive out rebel and militant groups in control of territories there. So far, Syrian forces have seized a few villages but there has been no strategic victory. Many of the attacks have hit western-backed rebels and al-Qaida's affiliate in Syria, but not the Islamic State group, with a stronghold in eastern Syria.
The Russian airstrikes have allowed Syrian troops and their allies to launch multiple ground offensives in northern, central and southern Syria as well as in the rebel-held suburbs of the capital, Damascus.
Dmitry Trenin of the Moscow Carnegie Center said that Putin's meeting with Assad signals Russia's willingness to seek a political solution in Syria -- but on its own terms.
"By summoning Assad to Moscow, Putin seeks to convert an early military success into political capital, by launching a political transition on his terms," he said.
--Vasilyeva reported from Moscow. Associated Press writers Sarah El Deeb in Beirut and Kate de Pury in Moscow contributed to this report.