Naval war of words sparked after Michael Fallon criticised the Russian ship that left Syria.
Russia's only aircraft carrier is returning to the Barents Sea after two months off the coast of Syria.
The jihadist group is said to have beefed up security to prevent further escapes.
Bana Alabed and her family were evacuated from east Aleppo in December 2016.
The joint operation involved 9 Russian attack aircraft and 8 Turkish warplanes.
Syria's top negotiator Bashar Jaafari said opposition groups went outside agreed frameworks.
The YPG and the Kurdish-led Syrian Democratic Forces are advancing towards Raqqa, an Isis stronghold in Syria.
The US-led coalition also continued air strikes in Iraq and Syria against the Islamic State group.
Russia is increasing its military spending in response to increased Nato deployments near its borders.
The resumption of executions in Palmyra is a conspicuous propaganda effort by Isis.
The air strike targeted Abu Ibrahim al-Tunsi, a Tunisian jihadist in Idlib governorate.
Bashar al-Assad's strategy has enabled Islamic State to regain ground.
Russian foreign minister Sergey Lavrov renewed invitation for US to attend Astana peace talks on 23 January.
The Syrian Democratic Forces launched an offensive to liberate the Isis stronghold in November 2016.
Egyptian government seeks to appease principal backers in the region by giving up the two islands.
Turkey recently threatened to attack Manbij, currently under Kurdish-led Syrian Democratic Forces' control.
Donald Trump's security advisers want the CIA to be more involved with the special operations forces.
Syria has been ravaged by a civil war between anti-government rebel forces and the Assad regime.
Parliamentary committee denounced confusion around terms of government's resettlement programme.
Qahtani, who fought with al-Qaeda alongside the architect of 9/11 attacks, was killed in a drone strike
The Russian military confirmed the deployment of four fighter jets to its Syrian airbase.
Khalifa Haftar, the head of Libya's armed forces, spoke with Russian defence minister aboard the vessel.