Wheat prices have risen sharply on global markets after Russia said it would treat ships heading for Ukrainian ports as potential military targets.
A shooting has left two people dead in the centre of Auckland, New Zealand, hours before the city is due to open the Fifa Women's World Cup.
Donald Trump has said he expects to be arrested by a federal inquiry into the US Capitol riot and efforts to challenge the 2020 election results.
An Australian sailor who survived two months in the Pacific Ocean by eating raw fish and drinking rainwater is "stable and very well", a doctor says.
People in Crimea have been told to avoid using the bridge connecting the occupied peninsula with Russia, after what officials called an "emergency".
Iranian police are resuming controversial patrols to ensure women obey dress codes and cover their hair in public, state media reports.
A heat dome over the US south-west has translated into extreme heat warnings from coast to coast, which continue to affect more than 110 million people.
G7 members are expected to ratify a long-term security arrangement with Ukraine at the Nato summit on Wednesday.
Nato states have said Ukraine can join the military alliance "when allies agree and conditions are met" after President Volodymyr Zelensky criticised the "absurd" delay to accession.
Nato leaders are gathering in Lithuania for a crucial summit that could shape the direction of the war in Ukraine and the future of the Western alliance.
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.