These are the key events so far on Thursday, March 24. Get the latest updates here.

Fighting

• Thursday marks one month since the start of the war. In a video message, Ukraine’s President Volodymyr Zelenskyy calls for global protests to demand an end to the Russian invasion.
• The British Ministry of Defence says Ukrainian forces are carrying out successful counterattacks against Russian positions on the outskirts of Kyiv.
• Kyiv Mayor Vitali Klitschko has told reporters 264 civilians in the city were killed by Russian attacks. Russia denies targeting civilians.
• Russia says its forces launched long-range weapons from the sea to hit a Ukrainian arms depot outside the northwestern city of Rivne and two Tochka-U missile launchers in an industrial zone in the outskirts of Kyiv.

Diplomacy

• US President Joe Biden has arrived in Brussels to take part in meetings of the NATO alliance, as well as of the Group of 7 nations and the European Union.
• Zelenskyy is scheduled to address the NATO leaders.
• NATO chief Jens Stoltenberg says allies will agree to send four “battle groups” to eastern members Bulgaria, Hungary, Romania and Slovakia.

Refugees

• More than 3.5 million Ukrainians have fled the country following Russia’s invasion, the UN says. More than 10 million have been displaced from their homes.

Sanctions

• A top US official says new sanctions are coming against Russian “political figures” and wealthy elites close to President Vladimir Putin.
• Russia plans to demand payment in roubles for its gas sales to “unfriendly” countries, Putin says, responding to a freeze on Russia’s assets by foreign nations.