Ukrainian President Zelensky said on April 5 that "important fighting is about to begin," suggesting that a major reversal offensive is imminent. The Western side says that it has already delivered more than 34,4 combat vehicles, and there is a view that it will start as early as May.
Russian troops are building large-scale defense lines, such as digging zango, in the northern side of Crimea, as well as in the western Belgorod and Kursk regions of Russia.