Russian President Vladimir Putin says the Islamic State group in eastern Syria has suffered a "complete defeat".
The extremist group still controls patches of territory in eastern Syria, where it imposes a media blackout.
Now, after the Pentagon's official report exceeded the DMDC estimate, Manning said troop removals from Syria will proceed on a "conditions-based" assessment conducted by the USA government. ISIL is an alternative abbreviation for the militant group.
"The task of destroying the Daesh militia in Syria by the Russian Armed Forces has been accomplished", Rudskoi said, speaking at a press briefing.
He said that Russian warplanes recently have operated at an "unprecedented" pace to support their action, flying over 100 missions a day against IS.
The Syrian Observatory for Human Rights, which monitors the conflict, yesterday said that IS still holds about eight percent of Deir Ezzor province.
"We need to. move, undoubtedly, on to the next stage - the start of a political process", he added.
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"I actually can not believe that we're having a debate about whether these lands are worth protecting", said Caputo. We will use the power of the law to stop Trump's illegal actions".
De Mistura said he expected the Syrian government and the opposition to "seriously engage" in negotiations next week focused on the new constitution and elections, warning both sides against "sabotaging" the process.
Egeland spoke to reporters in Geneva on Thursday, where a delegation of the Syrian opposition is awaiting the government to resume United Nations -brokered talks.
Syrian troops supported by Russian servicemen have completed the destruction of Islamic State (IS) terrorists in the war-torn country, a senior Russian military officer announced Thursday.
Russian Federation began launching airstrikes against various Syrian opposition groups in September 2015 as support for Syria's military.
Rudskoi said the IS defeat had paved the way for Russia to reduce its military presence in Syria: "With the liquidation of armed bands of the ISIL terrorist group in Syria, the Russian contingent will concentrate its main efforts on providing aid to the Syrian people in rebuilding peace".
Those strikes have helped Syria regain control over much of the war-ravaged country.
More than 340,000 people have been killed since the conflict broke out in March 2011 with protests against Assad's rule that sparked a brutal crackdown.