Yesterday, on February 26, Prime Minister of Bulgaria, Nikolai Denkov, along with a delegation, visited Ukraine. Meanwhile, the Hungarian parliament greenlights Sweden’s NATO bid, meaning the country finally joined the Alliance. RBC-Ukraine gathered top news for February 26. Russia’s war against Ukraine: Latest news Ukrainian forces strengthening defense west of Avdiivka, military says.Four Ukrainian guardsmen destroy Russian column near Robotyne.US CIA maintains secret bases of surveillance over Russia in Ukraine.Bulgarian Prime Minister arrives in Ukraine Bulgarian Prime Minister Nikolai Den…