Recently, Russia struck the two largest cities of Ukraine…

KYIV, Ukraine (AP) — Russian drones, missiles and bombs struck Kyiv and Kharkiv, Ukraine’s largest cities, overnight, killing four people and wounding 15. continuous air pressureauthorities said on Tuesday.

Since then, Russia has bombed civilian areas of Ukraine almost every day his full scale invasion his neighbor almost three years ago, causing thousands of casualties. The Russian army as well pressing hard on the forward defense in the east of the Donetsk region of Ukraine.

Western countries consider another disturbing event for Kyiv officials North Korea sent about 10,000 soldiers to help Russia’s military campaign.

President of Ukraine Volodymyr Zelenskyy was supposed to talk about this new threat at a meeting on Tuesday in Reykjavík with the leaders of Denmark, Iceland, Finland, Norway and Sweden.

Russian aviation struck Kharkivin the north-east of Ukraine, four people were killed when they crashed into a house around three o’clock in the morning, Oleg Sinegubov, the governor of the region, said. According to him, about 20 houses were damaged during the attack.

A few hours earlier, Russia dropped a planning bomb on the landmark building of Derzhprom in the center of Kharkiv, injuring seven people, Mayor Igor Terekhov said.

Derzhprom, also known as the Palace of Industry, is included in the UNESCO World Heritage List as an example of modernist architecture.

Terekhov said that in recent days, Russia has concentrated its strikes on Kharkiv. He urged people not to ignore warnings of airstrikes.

Kyiv authorities reported that fragments of intercepted Russian drones fell on two districts of the city, injuring six people.

Ukraine also used long-range drones disrupt the Russian military machine and embarrass the Kremlin by striking targets on Russian soil.

A special forces academy in the Russian province of Chechnya was hit by drones, causing a fire that was quickly put out, according to Chechen leader Ramzan Kadyrov, a close ally of Russian President Vladimir Putin.

It was the first drone attack in the war against Chechnya, which is located about 800 kilometers (500 miles) east of Ukraine.