Trump has defended his conduct as "perfect" and said he will refuse to comply with the inquiry.
House investigators want Vice President Mike Pence to give them documents that could shed light on whether he helped President Donald Trump pressure Ukraine to investigate Joe Biden.
No injuries were reported during the rough landing at LaGuardia.
Virginia Sen. Tim Kaine aggressively challenged Indiana Gov. Mike Pence over a long list of Donald Trump's controversial positions and statements Tuesday night, drawing a vigorous defense from the Republican No. 2 on Trump's tax history.
Here's a wrap up of what's happened on Day 3 of the Republican National Convention. Ross Palumbo reports.