Two civilians were killed in Russian attacks on the eastern Ukrainian town of Avdiivka, the Donetsk region administration said on Sunday.
In one of its few offensives in months, Russia's military pressed on for a fifth day with assaults on Avdiivka, with shelling so fierce that emergency crews were unable to recover the dead from wrecked buildings.
The administration of the Donetsk region said on Sunday on the Telegram messaging app that one more person was injured elsewhere in the region.
The General Staff of Ukraine's Armed Forces said on Sunday its forces had repelled 15 Russian attacks near Avdiivka, Tonenke and Pervomaiske in the Donetsk region, while Russian forces launched heavy air strikes in the area.
Oleh Sinehubov, governor of the Kharkiv region also in Ukraine's east, said on Sunday a 54-year-old woman and a 57-year-old man were killed and one woman injured in an overnight Russian air attack.
Reuters could not independently verify the reports.
Both sides deny targeting civilians in the war that Russia launched against its neighbour in February last year.
Iran said on Sunday it had received a US response to its latest offer for peace talks, a day after President Donald Trump said he would probably reject the Iranian proposal because "they have not paid a big enough price".
The Israeli military issued an urgent warning on Sunday to residents of 11 towns and villages in southern Lebanon, urging them to evacuate their homes and move at least 1,000 metres (3,300 feet) away to open areas.
Ukrainian drones attacked Russia's Baltic Sea port of Primorsk on Sunday, temporarily setting it on fire, local governor Alexander Drozdenko said on the Telegram messaging app, as Kyiv launched a wave of strikes on targets across the country.
An Israeli court has extended by two days the detention of two activists arrested aboard a Gaza-bound flotilla that was intercepted by Israeli forces in international waters near Greece, their lawyer said on Sunday.
Heavy rains that hit northeastern Brazil over the last 48 hours have killed at least six people and displaced thousands in the states of Pernambuco and Paraiba, the federal government said in a statement on Saturday.