Police said that "as many as 20" individuals have been injured, with the number is expected to rise after the lone gunman opened fire at the gathering.
Kadyrov on Friday posted a propaganda video that shows heavily armed rebels from Chechnya smashing a high-rise structure in the bombed-out city of Mariupol.
Sukharev's death is a major blow to the Russian air force given that he was believed to be one of Putin's "elite" commanders and was responsible for carrying out multiple air raids since the day Russia invaded Ukraine.
Gavrilov was held due to "leaks of military information that resulted in loss of life," while two others claim it was due to "wasteful squandering of fuel."
Semidyanova, a doctor, known as 'Mother Heroine,' had served in the military since 2014 and was slain on March 3 on the border between the Donetsk and Zaporizhzhia oblasts, according to the Kyiv Independent.
The head of the Donetsk Regional Military Administration, Pavlo Kyrylenko, uploaded photos and videos of the Mariupol Drama Theater and the Neptune Pool buildings on Telegram.
The chilling footage shows the ruthlessness of the Russian forces and their growing frustration over the huge losses suffered over the past three weeks.
If Ukraine's claims are to be believed, Mityaev was the fourth top officer of the Russian army to have been slain after Russia invaded Ukraine on February 24.
Zakrzewski, a longtime Fox News photojournalist, is the second US journalist to have been killed while reporting in Ukraine, while his colleague Hall, 39, continues to fight for his life in a hospital in Kyiv.
Dmitry Korovin, Vedler's ex-boyfriend, has now admitted to strangling her to death before driving her 250 miles to the Lipetsk region and putting her body in a car boot.
On Monday evening, while an anchor was reading the bulletin, Ovsyannikova ran onto the show with a sign in her hand that read: "Don't believe the propaganda. They're lying to you here."
Although it was a stationary bus and there were no passengers inside it when the Russian rocket hit it, two Ukrainian civilians reportedly died in the incident and nine were injured.
According to reports, Hall, better known as Razor Ramon in professional wrestling, suffered three heart attacks, prompting his family to turn off the equipment.