Heraldo de Madrid - Deadly blasts rock Kyiv as talks with Russia resume

At least three large blasts were heard from the centre of the capital, sending columns of smoke high into the sky.

As dawn broke the damage became clear, with one strike hitting a large 16-storey housing block.

There, a fire raged and smoke billowed from the charred husk of the building, as emergency services and stunned locals navigated an obstacle course of glass, metal and other debris littering the road.

"The bodies of two people were recovered, 27 people were rescued," Ukraine's emergency service said.

Another residential building in the Podilsk area also came under attack.

Ukrainian MP Lesia Vasylenko posted a photo of a fire crew extinguishing a smouldering fire there -- the building's facade transformed into a mess of bent and tangled window frames and precariously dangling air conditioning units.

Vasylenko said the district had been "a place to get coffee and enjoy life. Not anymore. Explosive hit just 30 minutes ago."

Just hours earlier, Ukrainian President Volodymyr Zelensky -- wearing his now-signature military-green crew neck -- issued a new video address sounding a note of cautious optimism about ongoing peace talks.

He claimed Russia was beginning to realise victory would not come on the battlefield.

"They have already begun to understand that they will not achieve anything by war," Zelensky said.

"Pretty good, as I was told," he said of Monday's first day of discussions. "But let's see. They will continue tomorrow."

The two sides are still far apart in the negotiations, with Moscow demanding Ukraine turn away from the West and recognise Moscow-backed breakaway regions.

Ukrainian negotiators say they want "peace, an immediate ceasefire and the withdrawal of Russian troops".

Almost three weeks after vast columns of Russian forces marched across the border, Moscow's forces have bombarded and besieged several Ukrainian towns and cities.

The capital Kyiv is surrounded to the north and east and nearly half its population of three million people have fled. Only roads to the south remain open, city authorities have set up checkpoints and residents are stockpiling food and medicine.

The United Nations estimates almost 2.8 million people have fled Ukraine and some 636 civilian deaths have been recorded, including dozens of children. The true toll is likely far higher.

- 'Hold back' -

Russia's military progress has been slow and costly, with Moscow apparently underestimating the strength of Ukrainian resistance.

Many military experts believe Russia's military now needs time to regroup and resupply its troops, paving the way for a possible pause or slowdown in fighting.

The head of Russia's national guard Viktor Zolotov has reportedly admitted the operation was "not going as fast as we would like" but said victory would come step-by-step.

Moscow has reportedly turned to Beijing for military and economic help -- prompting what one US official said were several hours of "very candid" talks between high-ranking US and Chinese officials.

On Tuesday, Chinese Foreign Minister Wang Yi said his nation does not want to be impacted by Western sanctions on Russia, as US pressure grows on Beijing to withdraw support from Moscow.

"China is not a party to the crisis, still less wants to be affected by the sanctions," Wang said.

Russian President Vladimir Putin has ordered his forces "to hold back on any immediate assault on large cities" according to Kremlin spokesman Dmitry Peskov, who cited "civilian losses" as the reason for stalling an attack.

He added however that the defence ministry "does not rule out" the possibility of putting large cities "under its full control".

Meanwhile, Ukraine's allies have piled pressure on Putin's regime with unprecedented economic sanctions, and the Kremlin faces domestic pressure despite widespread censorship of the war.

During Russia's most-watched evening news broadcast on Monday, a dissenting employee entered the studio holding up a poster saying "Stop the war. Don't believe the propaganda."

An opposition protest monitor said the woman, an editor at the tightly-controlled state broadcaster Channel One, was detained following the highly unusual breach of security.

- Shelling in Kyiv -

Across Ukraine, Russia's invasion has continued to take a bloody toll, destroying cities and ensuring that many lives will never be the same again.

"They say that he is too severely burned, that I won't recognise him," sobbed Lidiya Tikhovska, 83, staring at the spot where a paramedic said the remains of her son Vitaliy lay following a missile strike in Kyiv.

"I wish Russia the same grief I feel now," she said, tears rolling down her cheeks as she clung to her grandson's elbow for support.

A correspondent for Fox News -- Britain's Benjamin Hall -- was injured and hospitalised while reporting on the city outskirts, the network said, a day after a US journalist was shot dead in Irpin, a frontline Kyiv suburb.

Meanwhile Russian troops have kept up their siege of southern Mariupol, where officials said nearly 2,200 people have been killed.

In a glimmer of hope for residents of the besieged port city, more than 160 civilian cars were able to leave along a humanitarian evacuation route Monday after several failed attempts.

Meanwhile, Moscow-backed separatists said fragments from a shot-down Ukrainian Tochka-U missile ripped through the centre of the eastern city of Donetsk, killing 23 people.

Moscow called it a "war crime" and rebels published images of bloody corpses strewn in the street.

But Ukraine's army denied firing a missile at the city, with Ukrainian army spokesman Leonid Matyukhin saying in a statement: "It is unmistakably a Russian rocket or another munition."

- 'World War III' -

Ukraine's leader Zelensky on Monday renewed his call for NATO to impose a no-fly zone over his country -- a day after at least 35 people were killed in Russian air strikes near the border with NATO member Poland.

"If you do not close our sky, it is only a matter of time before Russian missiles fall on your territory, on NATO territory, on the homes of NATO citizens," Zelensky said in a video address.

He is likely to repeat that call Wednesday when he delivers a high-profile virtual address to both chambers of the US Congress.

President Joe Biden and America's NATO allies have consistently refused so far, arguing that any attempt to establish a no-fly zone would place them in direct conflict with nuclear-armed Russia.

Instead, Washington and its EU allies have poured funds and military aid into Ukraine and imposed unprecedented economic sanctions on Russia.

In Biden's words: NATO fighting Russia "is World War III".

United Nations Secretary-General Antonio Guterres sounded the alarm once again on the dangers of a possible showdown between atomic powers -- a prospect "once unthinkable" but "now back within the realm of possibility."

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P.Sanabria--HdM