U.N. pleads for more help to relieve Venezuelan refugee crisis

United Nations High Commissioner for Refugees Filippo Grandi appealed on Sunday for more humanitarian aid for Venezuelan refugees pouring into neighboring countries where they are overwhelming social services and sparking local tensions.Grandi had planned to visit the Brazilian border town of Pacaraima this weekend, but authorities advised him to cancel due to protests by residents unhappy with the arrival of more than 500 Venezuelans a day.Some 180,000 have stayed in Brazil.