This Practice Note explains the offence of causing intentional harassment, alarm or distress contrary to sections 4A and 4B of the Public Order Act 1986 (POA 1986), alongside the lesser offence of causing harassment, alarm or distress under POA 1986, s 5. It sets out the elements of the offences and explains what is needed to prove them. An offence under either POA 1986, s 4A or 5 is triable only summarily, while an offence under POA 1986, s 4B is triable either way. The elements of the offence under POA 1986, s 4A The prosecution must prove that the defendant: • used threatening, abusive or insulting words or behaviour or disorderly behaviour, or displayed any writing, sign or other visible representation which was threatening, abusive or insulting • with intent to cause a person harassment, alarm or distress, and • by that behaviour, caused that person or another person harassment, alarm or distress POA 1986, s 4B was inserted into POA 1986 by the Protection from Sex-based Harassment in Public Act 2023 and