Prime Minister Justin Trudeau has fired Canada's ambassador to China, John McCallum. It follows controversial comments Mr McCallum made about an extradition case involving a senior executive from the Chinese telecoms giant Huawei.
Two bombs at a Roman Catholic cathedral in southern Philippines have killed 27 people and injured dozens more, local officials say.
Police in the US state of Louisiana are searching for a gunman suspected of killing five people, including his parents, in two separate but related shootings.
Spain, Germany, France and the UK have warned Venezuelan President Nicolás Maduro that he must call elections within eight days - or they will officially recognise the opposition.
Up to 300 people are missing after a dam collapsed at an iron ore mine in south-eastern Brazil, officials say.
President Donald Trump has yielded to political pressure to end the longest US government shutdown in history.
Greek MPs have voted narrowly to back a historic agreement with Macedonia, bringing to an end a 27-year dispute over its northern neighbour's name.
The Queen has urged people to find "common ground" and to respect "different points of view".
Political strategist Roger Stone, a long-time ally of President Trump, has been arrested in Florida, charged with seven counts in the Mueller probe.
Venezuelan opposition leader Juan Guaidó has said he would consider an amnesty for President Nicolás Maduro if he cedes power.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.