The super PAC supporting Mehmet Oz, the popular television personality known as “Dr. Oz,” is launching an offensive against David McCormick as the competition intensifies between Pennsylvania’s top Republican Senate contenders.

American Leadership Action on Wednesday unveiled a website and posted a new digital advertisement criticizing McCormick’s ties to China, with both timed to coincide with the former hedge fund CEO’s expected entry into the race for the Republican Senate nomination. The super PAC, stood up specifically to bolster Oz’s 2022 Senate campaign, plans to air television ads statewide beginning Thursday that also will paint McCormick as a ruthless businessman who sold out Pennsylvania to China.