Child among people injured in attack in Sumy; Lynne Tracy visits Wall Street Journal reporter in prison after court upholds FSB request to extend his detention

• What we know on day 495 of the war

In her regular operational update, Ukraine’s deputy defence minister Hanna Maliar has re-stated that Ukraine is making incremental gains in both the east and the south, and said that 37.4 sq km (14.4 sq m) of territory had been reclaimed.

On the Telegram messaging app Maliar said Ukrainian forces were advancing in the Bakhmut direction, adding that Russian forces were attacking in the Lyman, Avdiivka and Mariinka directions in the Donetsk region.

Ukrainian and Russian troops both advancing in different areas amid ‘fierce fighting’, says Kyiv; Biden to visit UK and Finland on Nato summit trip

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Ukraine has said Russian troops are advancing in four areas in the east of the country amid “fierce fighting” but reports that Kyiv’s forces are moving forward in the south. Russian troops were advancing near Avdiivka, Mariinka, Lyman and Svatove, said the deputy defence minister, Hanna Maliar. “Fierce fighting is going on everywhere,” she wrote on social media on Sunday. Russian accounts said Moscow’s forces had repelled Ukrainian attacks near villages ringing Bakhmut and in areas farther south, including the strategic hilltop town of Vuhledar.

The US president, Joe Biden, will travel to Europe in a week for a three-nation trip, including a Nato summit, focused on reinforcing the international coalition backing Ukraine amid its counteroffensive against Russia. Biden is set to depart on Sunday 9 July for Britain and then head to Lithuania’s capital, Vilnius, for the meeting of Nato leaders, followed by a one-day visit to Helsinki for talks with his Nordic counterparts, the White House has said.

A top Russian propagandist has accused Wagner boss Yevgeny Prigozhin of going “off the rails” after receiving billions in public funds, as Moscow’s new narrative takes shape after Wagner’s brief mutiny. “Prigozhin has gone off the rails because of big money,” Dmitry Kiselev, one of the main faces of the Russian propaganda machine, said on his weekly television show on Sunday. Prigozhin led his forces in a short-lived rebellion against Russia’s top military brass just over a week ago in a major embarrassment for the Kremlin.

Four civilians were injured by Russian shelling in the southern city of Kherson, the prosecutor general’s office said on Sunday, including two in a direct hit on a high-rise building. Russian forces fired on the residential area from the occupied east bank of the Dnipro River, also reportedly damaging civilian infrastructure.

Award-winning Ukrainian writer and war crimes researcher Victoria Amelina, 37, has died after being wounded in a Russian missile strike in Kramatorsk, the freedom of expression group PEN has said. The attack last Tuesday destroyed the Ria Pizza restaurant in the eastern Ukrainian city, killing another 12 people, including four children, and wounding dozens.

Volodymyr Zelenskiy paid tribute in Odesa to those serving in the navy on Ukrainian Navy Day on Sunday in a video posted on Twitter. The Ukrainian president said: “The enemy will in no way dictate its terms in the Black Sea.”

Two British peers were among 50 people who attended a party organised by the Russian ambassador to the UK at his residence in west London last month to mark the creation of a Russia independent of the Soviet Union. The Conservative Lord Balfe and crossbencher Lord Skidelsky attended the event at which the Russian envoy, Andrei Kelin, spoke and sought to justify the invasion of Ukraine, according to the Sunday Times.

Yevgeny Prigozhin’s media holding company is to shut down, the director of one of its outlets said. Patriot Media, whose most prominent outlet was the RIA FAN news site, had taken a strongly nationalist, pro-Kremlin editorial line while also providing positive coverage of Prigozhin and his Wagner group.

Poland will send 500 police officers to its border with Belarus, Poland’s interior minister, Mariusz Kamiński, has said. Warsaw earlier announced a tightening of security because of concerns over the Wagner group’s presence in Belarus.

Energy giants TotalEnergies and Shell have defended activities linked to Russia after a critical report into their trading in natural gas despite the war in Ukraine. The campaign group Global Witness said TotalEnergies was the third-biggest player in Russian liquified natural gas last year and Shell the fourth, behind two Russian companies. Both companies said on Sunday they were tied to ongoing contracts despite pulling out of Russian partnerships after Ukraine was invaded last year.

Russia has cancelled its 2023 Maks international airshow, probably over security concerns after recent uncrewed aerial vehicle attacks inside the country, according to the UK Ministry of Defence’s latest intelligence report.

Eastern Command spokesperson says Ukrainian forces are ‘pressuring’ Russian troops in Donetsk Oblast; Russian shelling hits residential area. says Ukraine

• What we know on day 494 of the invasion

Poland will send 500 police officers to its border with Belarus, the Polish minister of the interior, Mariusz Kaminski, said on Sunday, Reuters reports.

“Due to the tense situation on the border with Belarus I have decided to bolster our forces with 500 Polish police officers from preventive and counterterrorism units,” he wrote on Twitter.