Kasich: Very, extremely difficult to support Trump

John Kasich has delivered his harshest criticism yet of Donald Trump. The Ohio governor says in Heath, Ohio, he's "had it" with the "toxic" nature of Trump's campaign.

Violence between Trump protesters and supporters led to the cancellation of a Chicago rally on Friday night. That's given Kasich a fresh opportunity to distinguish the tone of his campaign from Trump's in the final days before Ohio's critical primary on Tuesday.

For months, the Ohio governor has declined to hit Trump, saying mud-slinging has no place in a presidential contest.

Kasich says he was "deeply disturbed" by reports of the violent clashes outside of Trump's event. Despite saying in the latest debate that he would back the GOP nominee, Kasich now says the environment Trump has created "makes it very, extremely difficult" to support him.

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The Gayly – March 12, 2016 @ 3:45 p.m.