Editor’s note: This is a developing story and is being updated. Soldiers of Ukraine’s 110th Separate Mechanized Brigade shot down a Russian Su-25 fighter jet in Donetsk Oblast on May 4, President Volodymyr Zelensky said in his evening address. Russia is carrying out intense attacks in multiple sections of the eastern front, which covers much of Donetsk Oblast, after it captured the city of Avdiivka in February. Moscow shifted its focus toward Chasiv Yar, an elevated town that potentially opens the way to further advances into the region. The Su-25 is used to provide close air support for Russi…