Russia Suffers Heavy Losses in Failed Offensive Attacks Around Avdiivka and Other Areas of Ukraine

Russian forces renewed assault against Avdiivka in Donetsk Oblast, launching attacks around town's flanks

Russia suffered heavy casualties, with estimated 900 soldiers killed or injured and 50 tanks destroyed

Attacks were unsuccessful; Russian troops could not surround Avdiivka

Failed Russian attacks also reported near Kupiansk, Lyman, Bakhmut, Marinka and Shakhtarske

Assault on Avdiivka is Russia's most significant offensive operation since January