<span style="color: #222222;">As Russia's military operation of Ukraine enters its fourth week, aid agencies continue to ramp up their efforts to bring much-needed relief supplies to civilians affected by the fighting and also to over 3 million refugees who have fled the country since the conflict began.<br />'' <br />'' Rzeszow, the largest city in southeastern Poland, roughly 100 kilometres from the Ukrainian border, has become a humanitarian aid hub for the region. By road and by air, aid supplies – including food, blankets, solar lamps, warm clothing, mattresses, jerrycans and plastic sheeting – continue to arrive in a massive warehouse run by the U.N. refugee agency, UNHCR, next to the airport outside Rzezsow.<br />'' <br />''<br />''Refugees now arriving in neighboring countries are more vulnerable, in a more traumatic state than those who came in the early days of the war, reports said.</span><br />