The Ukrainian army began to advance into the territories annexed by Russia.
According to the British media, the Ukrainian army also advanced in the eastern regions while breaking Russian defensive positions in Kherson region, which joined Russia after the referendum.
Ukraine has not confirmed the military advance.

To be clear, yesterday the Russian parliament approved the integration of 4 regions of Ukraine into Russia.
On Friday, Russian President Putin signed the documents for the integration of the Ukrainian regions into Russia. After that, on Monday, the lower house of the Russian Parliament approved the law for the integration of the Ukrainian regions into Russia.
The Ukrainian regions of Kherson, Donetsk, Luhansk and Zaporizhia, annexed by Russia after a referendum, were annexed by Russia in the recent war.