Terrorism Act 2000 (UK)
(1) In this Act "terrorism" means the use or threat of action where:
(a) the action falls within subsection (2),
(b) the use or threat is designed to influence the government or to intimidate the public or a section of the public and
(c) the use or threat is made for the purpose of advancing a political, religious or ideological cause.
(2) Action falls within this subsection if it:
(a) involves serious violence against a person,
(b) involves serious damage to property,
(c) endangers a person's life, other than that of the person committing the action,
(d) creates a serious risk to the health or safety of the public or a section of the public or
(e) is designed seriously to interfere with or seriously to disrupt an electronic system