Matthew McConaughey admits his arguments with Woody Harrelson have 'drawn blood'.

The Hollywood stars have been friends for more than 30 years and are currently promoting their new Apple TV series, Brothers, in which they play fictionalised versions of themselves. As he discussed his close bond with Harrelson, McConaughey revealed their disagreements have turned physical in the past. "Blood has been drawn," McConaughey told Entertainment Weekly.