Comment by johnisgood

Communications Act 2003

  Section 127(1) makes it an offence to:
  "Send by means of a public electronic communications network a message that is a -
  (a) grossly offensive,
  (b) indecent, obscene, or menacing, or
  (c) false, known to be false, for causing annoyance, inconvenience, or needless anxiety."

  Section 127(2) adds that: "A person is also guilty of an offence if they cause a message or other matter to be sent that is similarly offensive or menancing.

https://www.legislation.gov.uk/ukpga/2003/21/section/127

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