The number of migrants entering Hungary from Serbia hit a new record on Saturday amid tension in eastern Europe over how to deal with the crisis.<br />More than 4,000 people walked across the border with Serbia just as the authorities in Hungary were completing preparations to seal the frontier.<br />Europe is struggling to cope with an enormous influx of people, mostly from Syria, fleeing violence and poverty.<br />Hungarian Prime Minister Viktor Orban has promised to seal the country's borders and arrest any illegal migrants.<br />The country is close to finishing a 4m-high fence along the border with Serbia.
