German Chancellor Angela Merkel and French President Francois Hollande called for a "unified" response to the worst refugee crisis to hit the EU since World War II.
Rebels from Greece's Syriza party on Friday formed a breakaway parliamentary group after Prime Minister Alexis Tsipras resigned.
Europe's interior and foreign ministers will meet in mid-October to discuss how to respond to the huge influx of migrants and refugees arriving at EU borders.
Dutch Prime Minister Mark Rutte received a grilling in parliament for his cabinet's support for debt-ridden Greece's third international bailout.
EU border agency Frontex reported a record 107,500 migrants at the European Union's borders last month, as the 28-member bloc struggles to cope with a refugee crisis
German Foreign Minister Frank-Walter Steinmeier urged the European Union to negotiate with Switzerland on Bern's plans for new quotas on immigration from the bloc.
Kazakhstan’s President Nursultan Nazarbayev has had a phone conversation with Ukrainian President Petro Poroshenko.
Greek Prime Minister Alexis Tsipras warned that a German proposal to give his debt-ridden country a bridging loan rather than agree a new bailout would be "a return to a crisis without end".
The EU on Monday denounced an arson attack on armoured vehicles belonging to OSCE observers monitoring a fragile ceasefire in rebel-held eastern Ukraine.
The EU formally extended until next year a multi-million-euro aid package to help European fruit and vegetable growers hit by Russian sanctions over the Ukraine crisis.
Greece is in the "final stretch" of talks for a deal with creditors on a new bailout, Prime Minister Alexis Tsipras said.
Kosovo's parliament amended the constitution to allow the creation of a special EU-backed court to examine war crimes allegedly committed by ethnic Albanian guerrillas during the 1998-1999 war.
Greece's hard-left Syriza party agreed to hold an emergency congress in September as requested by Prime Minister Alexis Tsipras.
US President Barack Obama has urged Britain to stay in the European Union, cautioning remaining in the bloc was necessary to help preserve the nation's global influence.
Greek lawmakers are set to vote on a second batch of reforms that must pass if Athens is to receive its third huge international bailout, in a key test of Prime Minister Alexis Tsipras' authority.
EU ministers failed to agree on how to redistribute a total of 40,000 mostly Syrian and Eritrean migrants from overstretched Italy and Greece.
German Chancellor Angela Merkel again ruled out forgiving some of Greece's crippling debt but said Berlin was open to a flexible repayment plan.
Ukrainian Prime Minister Arseniy Yatsenyuk said Wednesday that Greece could learn a few lessons from Britain about how to implement austerity measures.
Greek Prime Minister Alexis Tsipras was Tuesday to hold meetings with his parliamentary majority, faced with the tough task of selling a new bailout deal.
Dutch Finance Minister Jeroen Dijsselbloem was re-elected as head of the Eurogroup which coordinates policy for the 19-nation euro single currency area.