US

Watch Cruz attack Trump's Twitter tirade: 'He's losing it'

?

Ted Cruz responded to a firestorm of tweets from Donald Trump, who has accused Cruz of committing fraud to win the Iowa caucus.

Produced by Lamar Salter

Follow BI Video: On Facebook

Business Insider Emails & Alerts

Site highlights each day to your inbox.

Follow Business Insider Australia on Facebook, Twitter, LinkedIn, and Instagram.