Estonian Intelligence has confirmed that Ukraine is gradually withdrawing its military contingent from Russia's Kursk Oblast. It has also talked about the situation on the Donetsk front. Source: ERR quoting Deputy Chief of Estonian Intelligence Janek Kesselmann,

Russian troops have regained control of more than 86% of the territory in Kursk Oblast captured by Kyiv, Valery Gerasimov, the chief of the General Staff of the Russian army, said on March 12, while Ukraine said it was ready to fight as long as needed.

The Estonian Defense Forces Intelligence Center confirms that an organized withdrawal of Ukrainian forces from Russia's Kursk region is underway, said Lieutenant Colonel Janek Kesselmann, second in command of the Estonian Defense Forces' (EDF) Intelligence Center (Kaitseväe luurekeskus) said Friday.