Breaking news: Shots fired at a Donald Trump rally leave supporters shocked and authorities investigating the incident.

Secret Service agents swiftly removed the former president from the stage during a campaign event in Butler, Pennsylvania after gunshots were reportedly fired at the rally. Images showed blood stains on his right ear as he was shielded by his security team.

Trump was later escorted to his motorcade and is currently undergoing examination at a Pennsylvania medical facility following the assassination attempt, according to his press secretary.

Donald Trump sustained injuries following the sound of gunshots during his campaign speech in Butler, Pennsylvania on Saturday. The ex-president of the United States was promptly escorted off stage by his security personnel. There were visible blood stains on his right ear.