Italy's Prime Minister Resigns

Matteo Renzi steps down after being defeated in a referendum on constitutional reform; President-Elect Donald Trump takes to Twitter to further upend diplomatic norms; A black TV presenter's face has been superimposed onto the bodies of victims of American lynch mobs and shared widely online after she criticised the country's traditional festive character Black Pete.

(Photo: Italian Prime Minister Matteo Renzi giving a speech after the results of the referendum on constitutional reforms at Palazzo Chigi, Rome. Credit: Franco Origlia / Getty Images)