The Australian Olympic Committee on Thursday decried what it said was a "vexatious, misleading and bullying" petition targeting Paris breakdancing sensation Raygun.

Australia's Olympians returned home Wednesday and mounted a resolute defence of their breakdancing colleague against "awful" critics, comics and keyboard warriors.

Manchester United have signed Matthijs de Ligt and Noussair Mazraoui from Bayern Munich, the Premier League club announced Tuesday.