Libya's prime minister called the deaths a tragic accident. Five officials and three crew members were aboard the private jet when it crashed, leaving no survivors.
Israel is suspicious of President Ahmed al-Sharaa, a longtime Islamist militant, and has provided weapons, intelligence and cash to militiamen at odds with his rule.
The new regulations, which could ensnare people consensually sharing explicit images, come as the Chinese Communist Party tries to enforce high moral standards.
The Mexican navy said the plane, which was carrying four military personnel and four civilians, was conducting a medical transport in coordination with a nonprofit.
A senior State Department official called it a bid to ensure adherence to the "America First" agenda while others called it a devastating blow to America's diplomatic corps.