Biden condemns 'sick' shooting at Trump rally

US President Joe Biden has condemned the assassination attempt on Republican rival Donald Trump as "sick" in a brief press conference this morning.

Trump was left bleeding after shots rang out at a campaign rally in Pennsylvania earlier this morning, and was swiftly escorted to safety.

Two people have been killed, including the suspected shooter, law enforcement says.

READ MORE: Shooting at Donald Trump rally being investigated as assassination attempt

Trump's campaign and the Secret Service have confirmed the presumptive Republican presidential nominee is safe and well.

Biden was briefed on the incident after leaving church in Delaware and spoke to reporters shortly after 8pm local time (10am AEST).

"Apparently (Trump) is doing well," Biden said.

READ MORE: Watch: Video captures what happened at Trump rally

"I plan on talking to him shortly, I hope when I get back to the telephone.

"Look, there's no place in America for this kind of violence. It's sick, it's sick.

"It's one of the reasons why we have to unite this country. We cannot allow for this to be happening. We cannot be like this. We cannot condone this."

READ MORE: What do we know about the shooter behind the attack on Donald Trump?

READ MORE: 'Praying for him': Joe Biden speaks after Donald Trump shooting

Biden thanked law enforcement agencies and the Secret Service for their swift action.

"The bottom line is that the Trump rally was a rally that he should have been able to ... be conducted peacefully without any problem," he said.

"And we - everybody, everybody must condemn it. Everybody."

Biden confirmed more details would be provided as the investigation unfolded.

FULL COVERAGE OF THE DONALD TRUMP SHOOTING

READ MORE: Trump says he was 'shot with bullet' in social media post

READ MORE: Trump rushed off stage after gunshots at rally

IN PICTURES: How the shooting attack on Donald Trump unfolded

WATCH: Video captures what happened at Trump rally

WHAT WE KNOW: Everything we know about the Trump rally shooting

READ MORE: 'Praying for him': Joe Biden speaks after Donald Trump shooting

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