Leaders of the European Union aim to sign an agreement with Turkey in Brussels on November 29 that offers Ankara cash and closer ties with the EU in return for Turkish help in stemming the flow of migrants to Europe.
Activists plan to join arms and form a "human chain" in Paris on November 29 to urge action on global warming, in a muted rally after attacks on the city by Islamic State, at the heart of worldwide protests on the eve of a U.N. climate summit in France.
Turkish President Tayyip Erdogan warned Russia on November 27 not to "play with fire", citing reports Turkish businessmen had been detained in Russia, while Moscow said it would suspend visa-free travel with Turkey.
Chancellor Angela Merkel came under renewed pressure from her own conservatives on November 27 to stem the flow of refugees into Germany as she heads to a weekend summit of European Union leaders and Turkey's prime minister.
Belgium lowered the security threat level in Brussels on November 26, ending six days on maximum alert, but the prime minister warned that the risk of a Paris-style attack remained serious.
Russia will keep cooperating with the United States and its partners to fight Islamic State in Syria, but that cooperation will be in jeopardy if there are any repeats of Turkey's shooting down of a Russian jet, Russia's Vladimir Putin said.
The United States sanctioned a Syrian businessman on November 25 who it said was a middleman for oil sales between Islamic State and the Syrian government, the latest salvo in an effort to cut off the flow of funds to the militant group.
Tunisian authorities said on November 25 a suicide bomber wearing a vest packed with plastic explosive blew up a presidential guard bus a day earlier, killing at least 12 troops in an attack claimed by Islamic State militants.
Public security concerns after the Paris attacks were part of the reason Canada pushed back its end-year deadline for accepting 25,000 Syrian refugees, Prime Minister Justin Trudeau said on November 25.
Schools and much of the Brussels metro system reopened on November 25 as the Belgian capital started to return to normal after four days of lockdown, but troops on the street were a reminder it remains on the highest alert.