These are the key events so far on Wednesday, March 16. Get the latest updates here.

Fighting

• Russia says its forces have taken full control of the southern region of Kherson. Ukraine reported 19 people were killed in an attack on a TV tower in Rivne.
• The Kyiv Independent, a Ukrainian news outlet, says air-raid sirens have gone off in several major cities, including Kyiv, Odesa, Dnipro and Lviv.
• Ukraine says Russia’s Major-General Oleg Mityaev, 46, was killed during the storming of Mariupol.

Peace talks

• Ukrainian President Volodymyr Zelenskyy says Russia’s demands were becoming “more realistic” with peace talks to resume later in the day. “Efforts are still needed, patience is needed,” he said in a video address to the nation. “Any war ends with an agreement.”

Diplomacy

• US President Joe Biden will make his first visit to Europe since Russia invaded Ukraine to discuss the crisis with NATO allies next week, the White House says. Zelenskyy says Ukraine may seek security guarantees from the West that fall short of NATO membership – a possible path to compromise.
• Ukraine’s president also thanked the prime ministers of Poland, the Czech Republic and Slovenia who travelled to Kyiv for talks.

Death toll

• The confirmed civilian toll in Ukraine is 691 people killed and 1,143 wounded, the United Nations human rights office says, adding the true figures were probably “considerably higher”.
• According to Zelenskyy, 97 Ukrainian children have died since the invasion began.

Fleeing

• About three million people have fled Ukraine, nearly half of them children, according to the UN refugee agency. About 1.8 million are now in Poland and some 300,000 in Western Europe.
• About 2,000 cars have left the besieged port city of Mariupol. Ukraine accused Russia of blocking a convoy trying to take supplies.
• Convoys of more than 100 buses ferrying civilians have left the besieged northeastern city of Sumy, the Red Cross says.