Hostilities were renewed in May 1500,[REF] when Ivan III took advantage of a planned Polish-Hungarian campaign against the Ottoman Empire:[REF] While preoccupied with the Ottomans, Poland and Hungary would not provide assistance to Lithuania.
The Muscovites promptly overran Lithuanian fortresses in Bryansk, Vyazma,[REF] Dorogobuzh, Toropets, and Putyvl [REF].