French Prime Minister Manuel Valls has called on the Gulf states to accept more refugees fleeing Syria, saying that a "humanitarian disaster" could erupt in the Balkans if Europe does not control its borders.
Moscow slapped sanctions on Ankara as the war of words over a downed Russian warplane escalated, with Turkish strongman Recep Tayyip Erdogan warning Russia not to "play with fire".
Queen Elizabeth II prepared for an action-packed final day of a state visit to Malta, including a picturesque boat trip around the Mediterranean island she once called home.
Francois Hollande urged British MPs to back air strikes on Islamic State targets in Syria "in solidarity with France", in a tight vote expected early next week.
Pope Francis hailed Africa as "a continent of hope" as he toured Uganda on the second leg of a landmark trip that has seen him railing against corruption and poverty.
German Chancellor Angela Merkel came under fire for her welcoming refugee policy from her powerful Bavarian coalition ally, who demanded she cap arrivals "in the national interest".
Eurogroup chief Jeroen Dijsselbloem warned that a small group of EU countries may be forced to form a "mini-Schengen" if the bloc fails to resolve its migrant crisis.
France mourned the 130 people killed in the November 13 Paris attacks, with President Francois Hollande set to lead a solemn ceremony in honour of the victims.
Prince Charles warned that if international leaders fail to clinch a deal on climate change at talks in Paris next week, it would leave mankind facing a "perfect storm".
Dutch Prime Minister Mark Rutte defended an EU cooperation deal with Ukraine as vital for European stability only months before a referendum Dutch eurosceptics have forced on the accord.
Sepp Blatter said that he was the target of "an inquisition" by FIFA's ethics committee, which has suspended him for 90 days and called for further sanctions over corruption charges.
French President Francois Hollande will hold talks with Russian leader Vladimir Putin, as part of his diplomatic marathon to forge a broader coalition against Islamic State jihadists in the wake of the Paris attacks.
Secretary of State John Kerry spoke by phone with Russia's foreign minister and urged a de-escalation of tensions after Turkey shot down a Russian warplane near the Turkey-Syria border.
The international community must secure a binding deal against climate change at key UN talks in Paris next week, German Chancellor Angela Merkel said.
President Recep Tayyip Erdogan sought to play down tensions with Russia after Turkey's downing of a Russian warplane on the Syria border sparked fears among NATO allies of a wider conflict.
US Vice President Joe Biden arrived in Zagreb for a Western Balkans summit, highlighting renewed interest from Washington in the fragile region as it deals with an unprecedented influx of refugees.
NATO chief Jens Stoltenberg said that the military alliance stands by key ally Turkey after it shot down a Russia fighter jet on the Syrian border but urged both sides to try to calm the crisis.