Here are the latest developments in the Russian attack on Ukraine:
Putin puts nuclear forces on alert
The United States and Germany accuse Russian President Vladimir Putin of putting his nuclear forces on the alert, saying he once again produced “threats that do not exist” because his invasion of Ukraine “has been halted”.
Russian army has problems
The Russian invasion force has lost momentum and is facing logistical and supply problems after facing fierce Ukrainian resistance, the White House claims.
US officials say it has failed to gain air superiority, as Moscow admits killed and wounded soldiers.
Expelled from Kharkiv
Ukraine claims to have expelled Russian troops from the second city of Kharkiv in the east of the country after Russian armored vehicles passed through the defenses.
Kyiv holds out
Ukraine says it is holding the line around the capital Kiev but fought against Russian “sabotage groups” that had infiltrated the city.
Conversations near Chernobyl
Ukraine agrees to meet with Russia at its border with Belarus — near the Chernobyl exclusion zone — after a phone call between President Volodymyr Zelensky and Belarusian leader Alexander Lukashenko.
Kremlin’s ‘big push’
The talks come as Russia orders an advance ‘from all sides’. It claims to have besieged the southern cities of Kherson near Crimea and Berdyansk on the Sea of Azov.
Nearly 400,000 refugees
Tens of thousands are fleeing the fighting, according to the UN refugee agency, most of them entering Poland as the total number reaches 400,000. Others seek shelter in Hungary, Romania, Moldova and Slovakia.
Pope calls for humanitarian corridors
Pope Francis calls for humanitarian corridors for civilians to escape the fighting.
2,000 more Russian protesters detained
Russia arrested more than 2,000 anti-war protesters across the country on Sunday, bringing the number detained for demonstrations against the attack to 5,250.
World’s largest plane destroyed
Ukraine’s Antonov-225 cargo plane – the world’s largest – has been destroyed by Russian attacks on the recaptured Gostomel airport outside Kiev.
Turkey can block straits
Turkey says it is implementing the treaty that gives it the power to restrict warships through the Dardanelles and Bosphorus to the Black Sea after Ukraine called on Ankara to close it to Russian ships.
Russian climate chief apologizes for invasion
The head of the Russian delegation at a major climate conference apologizes for his country’s invasion of Ukraine, saying he “has not found any justification for the attack”.
Thousands march to Ukraine
Hundreds of thousands of people around the world take part in Ukraine solidarity marches from Berlin to Baghdad to Quito, with many chanting “shame” over Putin.
EU’s toughest sanctions ever
Brussels announces new sanctions against Russia and Belarus, as well as aid in the transport of weapons worth €450 million to Ukraine, after crippling part of Moscow’s international trade by some Russian banks from the SWIFT interbank system to delete.
‘Democratic skies’ close to Russia
Canada and EU countries are closing their airspace to Russian planes in protest at the invasion with curbs also imposed on oligarchs, Putin and his foreign minister Sergei Lavrov.
Europe sends weapons
Germany breaks with a long tradition by sending 1,000 anti-tank weapons and 500 “Stinger” surface-to-air missiles to help Ukraine. Sweden is setting aside its neutrality to send weapons to a war zone for the first time since Hitler and Stalin invaded neighboring Finland in 1939.
Trump praises Putin
Former US President Donald Trump has praised Putin as “clever” after previously describing Putin’s invasion plan as a “genius” move.
Putin’s judo battle
But the Russian president has been suspended as honorary president of the International Judo Federation†
Oligarch: ‘War is not the answer’
Billionaire financier Mikhail Fridman, one of Russia’s richest men, calls for the bloodshed to end, saying it will “cost lives and harm two nations that have been brothers for hundreds of years.”
Musk activates Starlink for Ukraine
Elon Musk orders SpaceX’s Starlink satellite service to provide broadband to Ukraine after Russia tries to block internet coverage.
Germany says it will invest 100 billion euros ($112 billion) in military equipment this year and put more than two percent of its production annually in defense.
Google is cutting tech cash
Google follows Facebook to prevent Russian state media from making money on its platforms in response to the invasion of Ukraine.
Russia banned from World Cup
World Cup champions France say Russia should be kicked out of the tournament in November after the Czech Republic, Sweden and Poland boycotted play-off games against them. England also refuse to play them.