In this Act “terrorism” means the use or threat of action where—

the action falls within subsection (2), the use or threat is designed to influence the government [or an international governmental organisation][1] or to intimidate the public or a section of the public

Wow, so the very act of peaceful protest is now defined as 'terrorism' because the below can be very loosely interpreted in whatever way necessary:

creates a serious risk to the health or safety of the public or a section of the public