WARSAW, Poland -- German Chancellor Angela Merkel said Saturday that she found it unacceptable that refugees were being used to apply pressure to Poland and other European Union members on the border with Belarus. Speaking at a news conference during what she said she expected to be her last official visit to Poland as chancellor, Merkel appealed to Belarus...She stressed that she found it “completely unacceptable that such hybrid attacks” were being carried out with the use of people seeking to reach the EU...