Poland will strengthen its eastern border with neighboring Belarus as Wagner Group mercenaries relocate to the Moscow-allied country following their failed mutiny against Russias military leadership, Polish officials said Wednesday.Polands Deputy Prime Minister Jaroslaw Kaczynski said Wagners expected move to Belarus was a new and much more difficult stage of [Russias] hybrid war, according to the broadcaster TVN24.Belarusian President Alexander Lukashenko confirmed this week that Wagner leader Yevgeny Prigozhin had arrived in Minsk as part of a deal to stop the private military outfits march on Moscow.Multiple unconfirmed reports suggest that construction is underway in central Belarus for a camp that is said to be intended to accommodate thousands of Wagner fighters.This element [Wagner] which is dangerous to Ukraine and the Ukrainians know that is also potentially dangerous to Lithuania, and could also be dangerous to us, Kaczynski said.Decisions have been made regarding strengthening our defense at the eastern border, Kaczynski added, referring to both short-term and permanent reinforcements.Polands Defense Minister Mariusz Blaszczaksaid earlier this week that Warsaw had strengthened its borders with Belarus and Russias western enclave of Kaliningrad amid the fallout from Prigozhins armed mutiny.Meanwhile, Lithuania, Latvia, Estonia, and Finland on Mondayagreed to coordinate and enhance border measures at crossings with both Russia and Belarus.