BBC Sport https://www.bbc.co.uk/sport/football/64821422 https://ichef.bbci.co.uk/ace/standard/240/cpsprodpb/D130/production/_128825535_298dc488122b5e77b68cb24e2d631a008c75679a.jpg The Premier League "must re-examine the assurances" it was given about potential Saudi state control of Newcastle, says human rights group Amnesty International.