Heraldo de Madrid - Russia launches major attack on Ukraine, killing 5

Russian forces have accelerated attacks on Ukraine in recent weeks, with the Kremlin vowing to retaliate over a brazen attack on its air bases last weekend.

In Kharkiv, Mayor Igor Terekhov counted 48 Iranian-made drones, two missiles and four guided bombs before dawn in the city of some 1.4 million residents located less than 50 kilometres from the Russian border in northeastern Ukraine..

"Kharkiv is currently experiencing the most powerful attack since the beginning of the full-scale war," Terekhov posted on Telegram around 4:40 am (0140 GMT), adding that drones were still buzzing overhead.

The Russian strikes pummelled homes and apartment blocks, killing at least three people and wounding 17 more, the mayor said. A woman was also pulled alive from the rubble of a high-rise building.

Kharkiv region Governor Oleg Synegubov said the wounded included two children.

"Medical personnel are providing the necessary assistance," he wrote.

The northeastern city was already reeling from an attack on Thursday that wounded at least 18 people, including four children.

In the southern port city of Kherson, Russian shelling killed a couple and damaged two high-rise buildings, regional Governor Oleksandr Prokudin said.

And in Dnipro, two women, aged 45 and 88, were injured in strikes, according to local officials.

Rescuers in the western city of Lutsk, near the Polish border, meanwhile discovered a second fatality from Friday's strikes, describing the victim as a woman in her 20s.

The aerial bombardments come days after Ukraine launched a brazen attack well beyond the frontlines, damaging nuclear-capable military planes at Russian air bases and prompting vows of revenge from Russian President Vladimir Putin.

Ukraine has been pushing for an unconditional and immediate 30-day truce, issuing its latest proposal during peace talks in Istanbul on Monday.

But Russia, which now controls around one-fifth of Ukraine's territory, has repeatedly rejected such offers to end its three-year war.

The Kremlin said on Friday the Ukraine war was "existential" for Russia.

- Ceasefire hopes dim -

The comments are Moscow's latest to dampen hopes for a breakthrough amid a flurry of meetings between Russian and Ukrainian delegations, as well as telephone calls between President Vladimir Putin and US President Donald Trump, aimed at stopping the fighting.

"For us it is an existential issue, an issue on our national interest, safety, on our future and the future of our children, of our country," Kremlin spokesman Dmitry Peskov told reporters, responding to remarks by Trump on Thursday comparing Moscow and Kyiv to brawling children.

Ahead of the talks this week in Istanbul, an audacious Ukrainian drone attack damaged nuclear-capable military planes at Russian air bases, including thousands of kilometres behind the front lines in Siberia.

Putin had told Trump he would retaliate for the brazen operation, 18 months in the planning, in which Ukraine smuggled more than 100 small drones into Russia, parked them near Russian air bases and unleashed them in a coordinated attack.

Putin has issued a host of sweeping demands on Ukraine if it wants to halt the fighting.

They include completely pulling troops out of four regions claimed by Russia, but which its army does not fully control, an end to Western military support, and a ban on Ukraine joining NATO.

Ukrainian President Volodymyr Zelensky has dismissed the demands as old ultimatums, questioned the purpose of more such talks and called for a summit to be attended by him, Putin and Trump.

S.Llorente--HdM