Story highlights Donald Trump on Friday threatened to sue Ted Cruz for "not being a natural born citizen" if the Texas senator 'doesn't clean up his act'

'If @TedCruz doesn't clean up his act, stop cheating, & doing negative ads, I have standing to sue him for not being a natural born citizen,' he tweeted

Washington (CNN) Donald Trump on Friday threatened to sue Ted Cruz for "not being a natural born citizen" if the Texas senator "doesn't clean up his act" and stop running negative ads against him.

"If @TedCruz doesn't clean up his act, stop cheating, & doing negative ads, I have standing to sue him for not being a natural born citizen," he tweeted.

If @TedCruz doesn't clean up his act, stop cheating, & doing negative ads, I have standing to sue him for not being a natural born citizen. — Donald J. Trump (@realDonaldTrump) February 12, 2016

Trump has previously argued that if Cruz won the Republican nomination, Democrats would argue that the Canada-born Texas senator was ineligible for the presidency. Last month, Trump asked a rally if he should sue Cruz "just for fun" over the issue.

Earlier Friday, Trump questioned the sincerity of Cruz's faith, accusing his opponent of being "so dishonest."

"How can Ted Cruz be an Evangelical Christian when he lies so much and is so dishonest?" the Republican front-runner tweeted.



Read More