Improper use of public electronic communications network - annoyance, inconvenience or anxiety
s.127(2)(a) Communications Act 2003
Improper use of public electronic communications network - persistance
s.127(2)(c) Communications Act 2003
Offence of sending letters etc. with intent to cause distress or anxiety
s.1 Malicious Communications Act 1988
Send a letter, communication or article conveying false information