STOCKHOLM (Reuters) - The number of people fleeing Ukraine since the Russian invasion began has probably now reached 2.1-2.2 million people, the head of the United Nation's refugee agency UNHCR said on Wednesday.

       United Nations High Commissioner for Refugees Filippo Grandi told a news conference during a visit to Stockholm that "the time is now to try to help at the border", rather than discussions on the division of refugees between countries.

       Grandi added that non-EU-member Moldova in particular was very vulnerable in the current situation.

       (Reporting by Anna Ringstrom; editing by Niklas Pollard)