How debris from fourth SpaceX launch failure this year fell into Mexico; what is the danger of space debris generally?

Mexican President Claudia Sheinbaum has threatened to sue Elon Musk’s SpaceX over falling debris from a rocket launch across the border in the United States.

SpaceX said its efforts to recover debris from Mexico had been hindered by “trespassers”.

Here is more about what is happening between Mexico and SpaceX.

A SpaceX “Starship” rocket, part of Musk’s project to send humans to space, exploded in a giant fireball during a routine launch test in Texas on June 19.