12,000 attend the 'Welcome to Hell' demo ahead of the G20 summit in Germany.
Dozens of police officers are injured in clashes with protesters, some of whom were hurling objects.
Rival gangs clashed in a jail in the city of Acapulco, and some of the victims were decapitated.
The two leaders will go face to face for the first time. But how different are they?
A selection of the best photos from across Africa this week.
The unarmed farmers were in a military restricted area where Boko Haram militants are active.
Eshan Hilal has fought all odds to pursue his dream of being a belly dancer.
The rapper also apologised for saying "a lot of things" because the Material Girl singer "hurt" him.
A mission to Mercury is getting closer to the launch pad.
Video of the unprovoked attack on a woman walking down the stairs shocked Germans and went viral.
Mr Trump rooted his Warsaw speech in Polish history - but which stories did he pick to tell and why?
A surveillance video of the fatal 2013 crash is anonymously posted online.
A newly found photo suggests the US pilot died in Japanese custody, not in a crash in the Pacific.
The US leader says Russia should "join the community of responsible nations" in a speech in Poland.
Amnesty International calls a police raid on human rights activists a "grotesque abuse of power".
German police make arrests and shut down a secret site used by about 87,000 people worldwide.
Javier Sánchez, 40, has long fought to be recognised as the singer's sixth son.
The Polish president's wife inadvertently snubs the US president in favour of Melania.
The European Union and Japan conclude a landmark free trade deal in Brussels, EU officials announce.
Despite the death of seven children and an adult, the friendly match is still played.
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