At least 129 people have died in a stampede at an Indonesian football match, officials say, in one of the world's worst stadium disasters.
President Joe Biden has warned Russia that the United States will not be intimidated by reckless threats after Vladimir Putin declared the annexation of four occupied regions of Ukraine.
This week, one Russian newspaper, Moskovsky Komsomolets, concluded: "Vladimir Putin has nowhere to retreat. So, he'll continue to attack."
The US will "never, never, never" recognise Russia's attempt to annex territory in Ukraine, President Joe Biden has said.
Stock markets in Asia and the US have risen after the Bank of England said it would buy £65bn of UK government bonds.
European countries say they will ramp up security around oil and gas installations after the suspected sabotage of two major pipelines.
The Bank of England has said it will step in to calm markets after the government's tax-cutting plans sparked a fall in the pound and caused borrowing costs to surge.
At least 76 protesters have been killed by Iranian security forces during 11 days of unrest sparked by the death of a woman in custody, activists say.
Four so-called referendums have ended in Russian-held regions of Ukraine - votes which Moscow may use as grounds to annex more territory.
Russia is to open an army enlisting centre on the border with Georgia, where massive queues have formed as Russian men try to flee the country to avoid being sent to fight in Ukraine.
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.