Vladimir Putin is purposefully creating a refugee crisis in order to "overwhelm" and "break" Europe, Nato's military commander in Europe has warned.

More material branding the US president as a mass killer has shown up in Moscow.

The Turkish government, in league with Saudi Arabia, made a tentative decision to enter the war on the ground in Syria, writes Gwynne Dyer.

The use of sanctions against Russia are a symbolic reminder that the Putin leadership had seriously misread the international situation, writes Robert Patman.

Putin sell-off likely to be a flop, writes Ben Wright.

A leading member of a Russian opposition party has told how he believes he was poisoned in a "politically motivated" attack.

China and Russia promote a restrictive "sovereignty" model.

The Turkish leader has two goals: to ensure the destruction of Assad's regime, and to prevent the creation of a new Kurdish state in Syria, writes Gwynne Dyer.

For days, Russian jets had been roaring along the Turkish border, bombing hills on the Syrian side in support of a regime attack on rebel forces.

COMMENT: Russia's President has been taught a lesson with the shooting of a warplane over Turkish air space.

At least 36 people have been killed in air strikes by Russian and Syrian jets on Islamic State-controlled Deir Ezzor province, a monitor said.

The head of Russia's anti-doping laboratory resigned hours after his lab was suspended over accusations it was part of a state-sponsored doping program

Maids, porters and other hotel staff in Sharm el-Sheikh are being questioned to discover if one of them hid a bomb in the luggage of a passenger on board the doomed Russian holiday flight.

Russia's doped athletes "sabotaged" the 2012 Olympics and should be banned from future competitions until the country cleans up its act, a bombshell report has said.

Suspicions that foul play caused the passenger jet crash in Egypt were growing as the Russian airline's owners said the plane could only have been brought down by "external factors".

If there were a rule book setting out how to handle a disaster that has claimed hundreds of innocent lives, Egypt and Russia on Saturday contrived to ignore every page.

Three major airlines announced yesterday that they would no longer fly over the Sinai Peninsula after a Russian passenger plane crashed in the area.

Former KGB major claims Russian hitmen murdered MI6 spy.

Passenger airliners could be at risk from long-range Russian cruise missiles being fired at Syria, international air safety agencies have warned.

Russia's presence in Syria under the pretence taking the fight to Isis is a strategic triumph for Vladimir Putin and an embarrassment for Barack Obama, writes Paul Thomas.

Russian warships join the conflict in Syria with a volley of cruise missile attacks from more than 1000km away.

Any pretence that Russia's heightened involvement in Syria's messy civil war would focus on destroying the Islamic State has evaporated very quickly.

Having accepted that President Bashar al-Assad will stay in power for a "transitional period", the US is trying to persuade Russia and Iran to curb the worst excesses of their ally.

Prime Minister says New Zealand will not rush to sign up to coalition against Islamic State proposed by Russian's President Vladimir Putin.

Russian President's dramatic deployment of soldiers, weapons and aircraft to Syria aimed at reshaping civil war.