Three grain ships leave Ukraine as Russia signals it is ready to talk about a prisoner swap with the US after Brittney Griner sentencing

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Three ships carrying almost 60,000 tonnes of grain between them have departed Ukrainian Black Sea ports and are on their way to Britain, Ireland and Turkey respectively. Oleksandr Kubrakov, Ukraine’s infrastructure minister, said he plans “to ensure ports have the ability to handle more than 100 vessels per month”.

Russia says it is ready to talk about a prisoner swap with the US following Wednesday’s nine-year jail sentence for US basketball player Brittney Griner. However, the Kremlin says any such negotiations should not be played out publicly.

Ukrainian president Volodymyr Zelenskiy has criticised a report by Amnesty International – which suggested Ukrainian forces’ tactics are endangering civilians by using some schools and hospitals as bases. Zelenskiy said the report “cannot be tolerated” as there “cannot be any condition under which any Russian attack on Ukraine becomes justified”.

The UK’s Ministry of Defence has raised concerns about the “security and safety” of the Zaporizhzhia nuclear power plant, which is under Russian control. It says Russia has “used artillery units based in these areas to target Ukrainian territory on the western bank of the Dnipro river”.

Vladimir Putin and Tayyip Erdoğan are due to meet in the Black Sea resort of Sochi. Talks between the presidents of Russia and Turkey are expected to focus on Syria, Ukraine and the Russian construction of a nuclear power plant in southern Turkey.

Canada is sending up to 225 Canadian armed forces to the UK to recommence the training of Ukrainian military recruits, the Canadian defence minister has announced. Since 2015, Canada has trained 33,000 Ukrainian military and security personnel but in February paused aspects of the training.

A US official has accused Moscow of preparing to plant fake evidence to make it look like the recent mass killing of Ukrainian prisoners in an attack on a Russian-controlled prison was caused by Ukraine. Kyiv and Moscow have traded blame over the strikes on the prison in Kremlin-controlled Olenivka, in eastern Ukraine, last week.

Ukraine has ceded some territory in the Donbas region to Russian forces, with Kyiv acknowledging Russia’s “partial success” in recent days. Zelenskiy has described the pressure his forces are under in the east of the country as “hell”. They have recaptured two villages near the city of Sloviansk, according to Ukrainian general Oleksiy Hromov, but have been forced to abandon a coal mine regarded as a key defensive position as forces are pushed to the outskirts of Avdiivka.

Russia may launch an offensive in the southern Ukrainian region of Kherson to try to wrest back momentum from Kyiv and has been visibly building up forces, Hromov said on Thursday. Much of the region is already occupied by Russia after it captured areas at the beginning of its invasion, but Ukrainian forces have been developing a counter-offensive to regain territory.

German chancellor says no reason to hold up return of turbine behind energy standoff; UN says number of border crossings from Ukraine passes 10m mark

Mykola Tochytskyi, deputy minister of foreign affairs, has repeated Ukraine’s request for the skies over nuclear installations to be closed to prevent a potential accident and their misuse. He posted to Twitter saying:

The Russian leadership openly threatens the world with its ability to use nuclear weapons, backed by the clear calls to do so by the Russian state media.

For the first time in history, civil nuclear facilities have been turned into military targets and springboards for the Russian army in breach of the non-proliferation provisions on peaceful use of nuclear energy.

First grain ship to leave Odesa since invasion reaches Turkish waters; Moscow says US is sharing intelligence with Ukrainian forces. This live blog is closed.

• Russia claims US ‘directly involved’ in Ukraine war

Ukraine’s ministry of defence quoted Scots poet Robert Burns’ Scots Wha Hae this morning while issuing what it claims are the latest casualty figures that it has inflicted on Russian forces.

They claim to have killed approximately 41,170 Russian troops, as well as destroying more than 1,750 tanks, 4,014 armoured combat vehicles, 223 jets and 191 helicopters. The claims have not been independently verified.

Liberating the city is one thing, but liberating the whole Kherson region is something else. We know it won’t happen now, but still have hope.

The roads of the region are dotted with numerous checkpoints, and you can always hear bombing raids. There are many soldiers in the cities.

Rare public comments expose tensions inside the ranks of Russia’s army over the invasion of Ukraine

A group of Russian soldiers have accused their commanders of jailing them in eastern Ukraine for refusing to take part in the war, in a rare public exposure of tensions inside the ranks of Russia’s army over the invasion.

Maxim Grebenyuk, a lawyer who runs the Moscow-based advocacy organisation Military Ombudsman, said at least four Russian soldiers had filed written complaints with the investigative committee, demanding punishment for the superiors who oversaw their detainment.

City’s mayor condemns attack on medical facilities; former UK PM David Cameron also among those now blacklisted

• What we know on day 159 of the invasion

Oleh Synyehubov, the governor of Kharkiv, has posted to Telegram to say that two men were injured by shelling at 7am today in the Saltivka region of Kharkiv. One of the men, aged 72, subsequently died in hospital. The claim has not been independently verified.

About 300 people are now considered missing during the hostilities in the Kyiv region. The 216 bodies found have not yet been identified. An appropriate DNA selection procedure was carried out. I hope that thanks to cooperation with relatives, we will be able to identify these persons.

It is not only that some citizens are now in captivity. While documenting war crimes in the Kyiv region, we found out that many people are currently being held on the territory of Belarus.

First grain ship departs from Odesa as part of Turkey-brokered export deal; Russia says five injured in Black Sea drone attack

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