What can be done to stop a suicide cult

Question

If a cult is planning on all taking their lives on a certain date, and the public knows about this, can anything be legally done to prevent this?

Answer 1

report them.

Answer 2

Why?

Free country pal.

just please don't do it on my property. The clean-up would be a nightmare.

Answer 3

the police will have to kill them.  that is the only solution.

Answer 4

call the police let the media know abut it the channel which tells stuff on tv you can get them to know.