Any person who in any manner -
- threatens, or falsely alleges, knowing it to be false, that any other person intends, to cause an explosion whereby life or property is or may be endangered or in order to intimidate any person;
- communicates false information, knowing it to be false, regarding any explosion or alleged explosion or any attempt or alleged attempt thereto, shall be guilty of an offence and liable on conviction to imprisonment without the option of a fine for a period of not less than 3 years and not more than 15 years.