“For millions of others, inside Ukraine, it is time for the weapons to fall so that humanitarian assistance can reach and save lives,” he added.
The head of the UN Refugee Agency (UNHCR) plans to travel to Romania, Moldova and Poland, three of the countries that are hosting this flow of refugees, in the coming days.
According to data from the Polish border guard, by Wednesday at 3:00 pm local, more than half a million people had entered the country from Ukraine.
A UN balance not updated since Tuesday also indicates that more than 115,000 people fled to Hungary and around 80,000 to Moldova.
This week, UNHCR launched an emergency appeal to raise $1.7 billion to help people exiled or displaced by the conflict in Ukraine.
According to his estimates, 12 million people in the country and another four million who fled abroad will need protection and assistance in the coming months.