A concession by Brazilian authorities isn't enough to end protests.
Several thousand people in Stuttgart have gathered to protest against the right-wing group PEGIDA's planned rally. PEGIDA is a movement of people opposed to a perceived "Islamization" of western countries.
Turkish police have cracked down on activists in Istanbul over fears of unrest on May Day. The authorities have put the city under a security lockdown, blocking roads and closing public transport.
Protests over current President Pierre Nkurunziza's bid for a third term in office are raging in the country. More than 20 people have been killed during clashes. DW takes a look at key events in Burundi.
Thousands of anti-austerity activists from 39 European countries have rallied in Frankfurt in protest against the European Central Bank. The ECB opened its new headquarters in the German financial city.