CAIRO (AP) — Egyptian authorities on Tuesday stepped up a campaign against a popular TV comedian accused of insulting the president, threatening to revoke the license of a private TV station that airs his weekly program and angrily dismissing U.S. criticism of legal proceedings against him.

The satirist, Bassem Youssef, was questioned by state prosecutors earlier this week over accusations that he insulted Islamist President Mohammed Morsi and Islam. On his Jon Stewart-inspired show, Youssef frequently satirizes everything from the president’s policies to his mannerisms, as well as hardline Islamic clerics, while highlighting contradictions in their comments.