"Russian snipers are very active". Damian Duda from the front line

— If it comes to the skillful usage of Russian aviation, then we have nothing to gather from the victims,” says Damian Duda, Polish medic for the battlefield at the front in Ukraine — they just evaporate. Russian snipers, who are experts, have besides become very active. The wounded are coming... What is the situation on the front line? What problems are presently facing Ukrainian defenders?