Donald Trump is railing against his rival Hillary Clinton’s allegation that his rhetoric is a recruiting tool for the Islamic State.

“I’m being tough,” Trump declared during a campaign rally in High Point, North Carolina. The event followed three terrorist attacks in Minnesota, New York City and New Jersey over the weekend.

On Monday, Clinton charged that Trump’s rhetoric was “seized on by the terrorists” and used as a recruiting tool, according to NBC News.

Mocking Clinton, Trump added, “Because I’m tough, it’s a recruiting tool.”

The Republican nominee said Clinton’s statement shows a level of ignorance, and attacked her foreign policy record referencing the invasion of Libya and the withdrawal from Iraq.

“We know that Hillary Clinton has once again demonstrated that she is really unfit for office,” he stated. “Her comments are not only reckless, but beneath the dignity of the office that she seeks.”

Trump said he wants to change the current immigration system in order to reflect American values. He also stressed the need to defeat radical Islamic terrorism.

“Immigration security is national security,” he stressed.