The Latest: Trump claims unity in his campaign

Donald Trump says there's "great unity" in his campaign —despite growing dissent and turmoil among his fellow Republicans.

Trump's stunning slap at two of the nation's most prominent Republicans dramatically escalated GOP turmoil barely a week after a convention intended to promote party unity.

With the general election campaign now squarely underway, Republicans found themselves once again forced to answer questions about the latest boundary-defying pronouncement from Trump at a moment when most would rather be talking about Hillary Clinton's record.