Germany could take up to 500,000 asylum-seekers a year for the next few years, Vice Chancellor Sigmar Gabriel has said.
President Francois Hollande has ordered the French military to prepare to launch air strikes against Islamic State (IS) targets in Syria.
Thousands of migrants and refugees have arrived in mainland Greece, as European leaders squabble over how to defuse growing crisis.
More than 12,000 Icelanders have offered to open their homes or provide other assistance to Syrian refugees after their government said they would only take in 50 people form the war-torn country.
One police officer has been killed and at least 100 people, including police officers and journalists, have been injured in an explosion during clashes with protesters in the Ukrainian capital of Kiev.