Former United States President Donald Trump was hurriedly taken from the stage after sustaining gunshot wound at a campaign rally.

The incident in Butler, Pennsylvania, one of the critical states for electoral college votes, occurred on Saturday evening. Multiple gunshots were heard at the campaign event.

Mr Trump’s head appeared covered in blood and he held his ear and neck. The Secret Service officers quickly intervened to thrush the former president away.

Mr Trump has been leading the poll and is widely seen as favourite to defeat incumbent Joe Biden at the presidential election coming up on November 5.

The Secret Service did not immediately return an email from Peoples Gazette seeking comments.

The shooter who disrupted former President Donald Trump’s Pennsylvania rally on Saturday has been neutralised, according to Butler County District Attorney Richard Goldinger. 

The incident sparked panic among the rallygoers and left at least one attendee dead.

With blood staining his left ear and face, Mr Trump was swiftly escorted off the stage by Secret Service agents following a brief but alarming sounds of gunshots.

Despite sustaining injuries, Mr Trump urged the crowd to remain resolute in their support before being taken to safety.

Since the event, footage showing Mr Trump with blood on his face and ear has gone viral, capturing the dramatic and unsettling nature of the episode.