France's economy minister said he had received death threats from "certain officials" furious over his plans to reform parts of the closed-shop economy.
Greek Finance Minister Yanis Varoufakis said he wanted to reach a new agreement with international creditors on his country's debt burden "by the end of May".
A congress of Germany's anti-euro AfD party ending moved to streamline its leadership structure in a bid to be more effective after weeks of dispute within the fledgling group.
German Chancellor rejected the prospect of debt relief for Athens, adding to tensions between the radical new Greek government and its international creditors.
A march by an emergent anti-Islamisation group in the German city of Leipzig failed to drum up much support, with first estimates showing turnout at below 1,000.
Twelve people, including seven civilians, were killed in the past 24 hours in clashes between government forces and pro-Russian rebels in east Ukraine.
The chief executive of Total said the French oil company would slash spending on exploration by 30 percent this year due to the drop in the price of oil.
French Prime Minister Manuel Valls sought to reassure Chinese concerns about the eurozone, insisting that Greece will stay part of the single currency.
Rocker Tom Petty says he never threatened to sue Sam Smith over his smash hit "Stay With Me" and agreed that similarities to his own "I Won't Back Down" were coincidence.