Lutnick is facing bipartisan calls to resign following the release of records showing his relationship with Epstein was more extensive than previously known.
The Wisconsin senator warned the Federal Emergency Management Agency and Transportation Security Administration would be defunded if DHS appropriations lapse.
The U.S. told American-flagged ships to stay "as far as possible" from Iranian waters when navigating the Strait of Hormuz amid heightened U.S.-Iran tensions.
A former police chief said President Donald Trump was among the first people to call him when people learned Jeffrey Epstein was under investigation in 2006.