the russian side that according to ukrainian officials, regular troops have been backfilling wagner. supported by artillery and aircraft. if russia were to take document it would change little but be a symbolic victory as ukraine struggles to keep them at bay. president zelinski urging world leaders to speed up their military aid comparing the fight to goliath taking on david and his --. >> we need this need, speed of our agreements and delivery to strengthen our -- of decisions to limit russian potential. >> that russian potential is still significant with hundreds of thousands of mobilized troops believed to be in reserve and russian president putin able to call up more to offset his enormous losses. now according to the u.s. state