Gwent Police said the incident involving Asghar on Wednesday night is not viewed as politically motivated and the man involved received a community resolution.
Community resolutions, normally used for minor offences or incidents of antisocial behaviour, aim to address the issues without more formal legal proceedings.
They are an informal agreement between the people involved in an incident, and do not lead to a criminal record.
The security of Senedd members has been raised on several occasions in the Welsh Parliament recently.
Huw Irranca-Davies, the presiding officer (Llywydd), said a “comprehensive security framework” supports MSs in their work.
He said this includes security on the Senedd estate, tailored advice, incident reporting and security measures at members’ homes and constituency offices.
Members also have access to a dedicated social media monitoring service run by Senedd security.
Irranca-Davies said the arrangements are backed by close co-operation with police, including an on-site presence and intelligence sharing, as well as work with security partners across Wales and the UK.
He added that security planning is reviewed annually, while Senedd security, police and UK-wide security partners carry out ongoing risk assessments.
