With a challenge to his ballot petitions sitting in the PA Commonwealth Court, GOP presidential candidate John Kasich now has to contend with Donald Trump, after the frontrunner popped into the brewing controversy using his Twitter feed.

In a 25-word message to his large online following, the GOP surprise-of-the-century said Kasich should not be allowed to run in Ohio on Tuesday, since he “cannot run in the state of Pennsylvania” – a move with shadows of Texas Sen. Ted Cruz’s political calculations on the night of the Iowa caucuses.

The Kasich campaign called Trump’s tweet “the same kind of dishonest, underhanded tactic” that the Cruz campaign used when telling Ben Carson’s supporters the neurosurgeon was getting out of the race. Cruz later apologized to Carson.

Kasich campaign spokesman Rob Nichols said Trump is “lying to Ohioans” by saying Kasich won’t make the PA primary ballot, insisting they “submitted far more signatures in Pennsylvania than we needed to submit and that was certified by the Secretary of State [Pedro Cortes].”

“Trump’s dishonest tweets and robocalls means his team either knows nothing about Pennsylvania election law, or he’s just scared to death we’re going to beat him,” Nichols said. “Donald Trump continues to play gutter politics, America deserves better, and he owes Ohioans an apology for lying to them.”

Nichols also said the Kasich campaign is consulting with their lawyers over Trump’s “lie.” Ohio holds its primary on Tuesday, March 15th. PA’s primary is on April 26th.