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.
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.
Many say the populist crazy talk is typical of the White House primaries, but Republican frontrunner Donald Trump's increasingly incendiary remarks are leading some conservatives to brand him a "fascist".
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.
Sanctions against Russia over its involvement in the Ukraine crisis could be lifted if Moscow fulfils commitments it made to help resolve the conflict, French Prime Minister Manuel Valls said.
Prime Minister Justin Trudeau said Canada was reviewing its role in the fight against Islamic State jihadists, during a visit to London in which he also bantered with Queen Elizabeth II.
The international community must secure a binding deal against climate change at key UN talks in Paris next week, German Chancellor Angela Merkel said.