Update: Explosions reported in Kyiv, citizens evacuated from two high-rises.

One of the key topics on the agenda will be the ratification of the long-awaited free trade agreement.

Russia's Ryazan oil refinery halved its production and the Novokuibyshevsk refinery halted it completely on Aug. 2 after Ukrainian drone attacks, Reuters reported, citing undisclosed sources.

The number includes 1,120 casualties Russian forces suffered just over the past day.

"During the day, the occupiers carried out 431 strikes on 16 settlements in the Zaporizhzhia region," Governor Ivan Fedorov said.

Ukrainian drones targeted the Tatsinskaya railway station in Russia's Rostov Oblast overnight on Aug. 4, local media reported.

Kremlin spokesperson Dmitry Peskov noted that U.S. submarines "are always on alert," claiming that Russia is not interested in escalating tension between the two nations.

"I am sincerely grateful to the Netherlands for their substantial contribution to strengthening Ukraine's air shield," President Volodymyr Zelensky wrote, saying this is "the first such step" among NATO countries.

A market source told the Russian state outlet Kommersant that Ukrainian attacks on oil facilities on Aug. 2 contributed to the price hike.

The attacks struck a residential building and a moped, killing three civilians in the Chuhuiv district. Local prosecutors are investigating the attack as a war crime.

The Russian Foreign Ministry said on Aug. 4 that it no longer considered itself bound by the moratorium due to recent actions by the United States.

A decrease in assault operations is "related to the regrouping of the relevant Russian units in order to eventually resume more active assaults on the island zone of the right bank of Kherson Oblast," military spokesperson Serhii Bratchuk told the Kyiv Independent.