[6] Hypersonic missile and drone attacks resumed in the morning hours of 27 August, causing ballistic weapon alerts to be raised nationwide.

Mayor of Kyiv Vitali Klitschko reported that "several districts" suffered from power outages following the first strikes, which was followed by water supply issues on the city's right bank.

Videos and images spread on social media platforms showed heavily crowded subway stations from Ukrainian residents taking shelter from ongoing Russian attacks.

[6][1] On 27 August, additional missile and drone attacks targeted Kyiv, causing multiple regional air defense systems to continuously deploy.

[12] Presidential advisor Timofiy Mylovanov reported that while the dam was able to hold immediately following the attack, that it would flood a large section of Kyiv if it collapsed.

[6] Governor of Lviv Oblast Maksym Kozytskyi reported that widespread power outages were ongoing as a result of Russian attacks on energy infrastructure.

[6] Governor of Odesa Oblast Oleh Kiper reported that four residents, including a ten-year old child, were injured as a result of Russian attacks.

[6] Ukrainian officials announced that they would meet in Washington D.C. to show the United States administration a list of potential Russian "high-value targets" that the Armed Forces of Ukraine could strike with long-range weaponry.

[25] The Russian Ministry of Defense stated that it had used "high precision weapons" in order to severely damage critical Ukrainian energy infrastructure due to it supporting Ukraine's military–industrial complex.

The ministry stated that the attacks successfully struck “all designated targets”, which included weapon storages, power substations, and gas compressor stations.

Its Operational Command made a public statement on Twitter/X stating that "All necessary procedures to ensure the safety of Polish airspace have been launched" due to "intense activity of long-range aviation from [Russia], related to strikes being carried out on targets located, among others, in the western part of Ukraine.

"[26] United States: President Joe Biden released a press statement that strongly condemned the "outrageous" attacks as part of Russian attempts to "plunge the Ukrainian people into darkness", and reiterated that Russia would never defeat Ukraine or its population.

[27] White House National Security Communications Advisor John Kirby stated that there would be no changes to current restrictions placed on Ukraine's use of U.S. weapons despite the attacks.

He called the measure necessary as a response to escalated aggression by Russia on civilian infrastructure, and stated that allowing long-range targeting would reduce Ukrainian casualties and destruction while following international law.