Former us President Donald Trump has been injured after shots were fired at a rally in Pennsylvania.

US secret service agents rushed former President Donald Trump off stage after gunshots were heard at a rally in butler, Pennsylvania.

In a statement, the secret service said Trump was safe and that measures for his protection had been implemented.

Police officials have said that the shooter and another person were dead following the incident.

Meanwhile, addressing the American nation in deleware, the United States' President Joe Biden expressed pleasure over survival of former president Donald Trump in assassination attempt.

He said he was relieved that Donald Trump is fine.