Tonight breaking news as we come on the air we have just learned that President

Biden has been diagnosed with COVID. Also developing we have stunning new video of

the gunman tonight who tried to take Donald Trump's life a full hour before he opened fire.

First tonight the news just in, President Biden has COVID,

what we've learned moments ago.

And it comes amid new questions tonight

over whether he'll stay in the race.

A new call for him to quote, pass the torch. questions tonight about

for him to quote pass the torch from a leading Democrat in the house.

What Our Mary Bruce and John Carl have learned tonight about where this goes from here.

Also breaking tonight that video appearing to show the alleged

gunman Thomas Crooks walking the perimeter of that Pennsylvania rally about

one hour before trying to assassinate Donald Trump. seen with a rangefinder.

And what we just learned, he was first identified

as a person of interest, a full 62 minutes

before he opened fire.

And that he was seen by Secret Service sniper's on that roof a full 20 minutes

before he fired the president. Pierre Thomas standing by with his late

reporting. Here in Milwaukee tonight Republican Vice presidential candidate JD Vance, preparing to take

center stage his speech in prime time tonight will carry it live here on ABC.

And the Biden campaign pointing out JD Vance's position on abortion rights and saying

Vance would not have done what Mike Pence did. Vance suggesting he would not have

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