Sam Fender has apologised after calling Johnny Depp a “hero”. The 28-year-old singer was spotted drinking with the Hollywood actor and the musician Jeff Beck in a Newcastle pub earlier this week as the ‘Pirates of the Caribbean’ star won his defamation case against his ex-wife Amber Heard. Sam described Depp as a “serious hero” in a picture uploaded to his Instagram stories before deleting the post after a backlash. The ‘Seventeen Going Under’ hitmaker said that his choice of words had been wrong in the context of the trial, which featured accusations of violence in Johnny and Amber’s marriage…