Republican vice-presidential candidate Mike Pence's campaign plane slid off a runway during a rainstorm at New York's LaGuardia Airport, tearing up concrete before coming to rest on a patch of grass.
No-one was injured in the incident, which happened after the plane flew to New York from Fort Dodge, Iowa, where it had made a hard landing but stayed on the runway earlier on Thursday.
When the plane came to a stop, US Secret Service agents rushed from the back of the plane to the front, where Pence was seated, to check on the candidate.
"We can see mud on the front windows," the candidate told the press about a minute after the plane came to rest.
Later, the Indiana governor tweeted:
In Geneva, Ohio, Republican presidential candidate Donald Trump told his supporters that Pence had come "pretty close to grave, grave danger".
But he added: "I just spoke to Mike Pence and he's fine. Everybody's fine."
Democrat Hillary Clinton tweeted: "Glad to hear @mike_pence, his staff, Secret Service, and the crew are all safe."