Ukraine's second city 'under missile attack', mayor says

Zelenskyy says Ukraine will soon be permitted to strike inside Russia with western weapons

The comments come a day after two anonymous US officials indicated that the Biden administration was prepared to let Ukraine use American weaponry to strike inside Russia but only in the defence of the northern region of Kharkiv.

Ukraine and Russia Conduct Major Prisoner Swap

Ukraine and Russia , Conduct Major Prisoner Swap. Ukraine and Russia , Conduct Major Prisoner Swap. The prisoner exchange was announced on May 31, Reuters reports. The prisoner exchange was announced on May 31, Reuters reports. It's been nearly four months since any prisoners have been released. It's been nearly four months since any prisoners have been released. 150 people were freed in this exchange. The United Arab Emirates (UAE) mediated negotiations. Ukraine's Coordinating Committee on Dealing with Prisoners of War issued a statement. Ukraine's Coordinating Committee on Dealing with Prisoners of War issued a statement. After a long pause, another prisoner swap took place: 75 defenders and civilians were released from the enemy's captivity, Ukraine's Coordinating Committee on Dealing with Prisoners of War, via statement. The bodies of 212 Ukrainian soldiers were also delivered home. The bodies of 212 Ukrainian soldiers were also delivered home. 75 Russians were returned as well. . 19 Ukrainian defenders of Snake Island were included in the exchange. The group became a symbol of Ukraine's strength and defiance during the onset of the war

WATCH: Russian strikes kill four, wound 23 in Kharkiv

Early Friday, Russian strikes on Kharkiv killed four and wounded twenty-three, including children, an ambulance medic, and a police officer.

Biden allows Ukraine to hit Russia territory with US arms to defend Kharkiv

German Defence Minister announces €500 million military support package for Ukraine

Russia launched a fresh offensive in Kharkiv earlier this month and Ukrainian military commanders reported a renewed build-up of Russian troops in the north of the region on Thursday.

WATCH: Nighttime strike on Kharkiv leaves seven injured

The Russian army struck southern Kharkiv, hitting the administrative building of Kharkiv Heating Networks. The blast shattered windows in nearby residences and damaged several vehicles.