It wasn't immediately clear what caused the crash, which occurred shortly before 1 p.m. local time and caused some minor injuries.

It's the latest move in a back-and-forth battle over what happened one week ago at Arlington National Cemetery.

Vice President Kamala Harris and President Joe Biden co-headlined a campaign event Monday in the marquee battleground state of Pennsylvania.

President Biden issued the following statement Sunday:

Vice President Kamala Harris said Thursday was one of the most vocal supporters of President Joe Biden leading up to his decision to end his campaign in July.

'That’s exactly why we get Biden, then Kamala, and so on,' Ramaswamy said Friday.

The President and First Lady are spending some rest and relaxation time together in Delaware.

Harris' lack of media access over the past month has become one of Republicans' key attack lines.