Donald Trump was hit in the ear in an apparent assassination attempt by a gunman at a campaign rally on Saturday, in a chaotic and shocking incident that will fuel fears of instability ahead of the 2024 US presidential election. The 78-year-old former president was rushed off stage with blood smeared across his face after the shooting in Butler, Pennsylvania, while the gunman and a bystander were killed and two spectators critically injured. The Republican candidate raised a defiant fist to the crowd as he was bundled away to safety and said afterward “I was shot with a bullet that pierced the…