BBC Sport https://www.bbc.co.uk/sport/av/football/64147441 https://ichef.bbci.co.uk/live-experience/cps/240/cpsprodpb/6C3D/production/_128190772_p0dsxmzt.jpg Arsenal manager Mikel Arteta says his side being denied two penalties was "scandalous" after they drew 0-0 against Newcastle at Emirates Stadium.