The European Union and Turkey agreed on a deal to stem the migrant crisis, including a three-billion-euro ($3.2-billion) aid package for Syrian refugees in Turkey.
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.
British Prime Minister David Cameron is to promise an additional £12 billion to strengthen the defence forces when he unveils a five-year strategic review on Monday.
Greek Prime Minister Alexis Tsipras called for dialogue with the country's top powers on retirement reforms days after the ruling coalition was weakened by a dwindling majority.
New York's financial regulator announced another $150 million fine against British bank Barclays over its "misconduct" in foreign exchange services offered to clients.
The resignation of Kairat Kelimbetov from the post of the National Bank governor and a prompt appointment of Daniyar Akishev have raised conflicting feelings both in the media and among general public.