The FBI is investigating a potential assassination attempt on Donald Trump after a Secret Service agent opened fire on a person with a firearm near the former president's golf club in West Palm Beach, Florida.

In short:

A US Secret Service agent opened fire at a man carrying a suspected weapon at one of Donald Trump’s three golf clubs in Florida.

The FBI has opened an investigation and the former president’s campaign and the US Secret Service confirmed he is safe.

What’s next?

The man has been arrested and investigations are underway into what was called a “protective incident”.