A legislative framework designed to enforce abortion clinic buffer zones in Northern Ireland has become the center of an international free speech dispute after a retired pastor was prosecuted for preaching a Christian sermon near a hospital entrance.

Clive Johnston, a 77-year-old former Baptist minister, is facing criminal charges under the Abortion Services (Safe Access Zones) Act after delivering an open-air Sunday sermon near Causeway Hospital in Coleraine on 7 July 2024. Prosecutors argue that his presence and preaching within the protected zone amounted to “influencing” individuals accessing abortion services and that he failed to leave when instructed by police.

What is confirmed in court filings is that Johnston preached from John 3:16, a widely known biblical verse, during a small outdoor service that included hymns and a short address.

It is also established that the sermon did not mention abortion and did not include placards or protest slogans.

His supporters say the event was a routine religious gathering held on a Sunday near a public road outside the hospital boundary.

The legal question is not whether Johnston explicitly protested abortion, but whether his presence and speech in a designated “safe access zone” could reasonably be interpreted as having an influencing effect on people entering or leaving the hospital.

The legislation at issue was designed to prevent harassment, protest activity, and any conduct that could deter patients or staff from accessing abortion services within a defined perimeter around clinics and hospitals.

The prosecution has drawn attention because Johnston may be the first individual in Northern Ireland charged under the law for a sermon that does not directly reference abortion.

The case has therefore become a test of how broadly “influence” can be interpreted under buffer zone legislation, and whether ordinary religious expression can fall within its scope when conducted in restricted areas.

Police body camera footage released from the 2024 incident shows officers informing Johnston that he was inside a regulated zone and warning that continued activity could constitute an offence if it had the effect of influencing protected persons.

Johnston responded that he was simply preaching the Gospel and questioned whether such speech could be restricted outside a hospital setting.

Ahead of the trial, the case has drawn attention from United States officials, who have stated they are monitoring so-called buffer zone prosecutions in the United Kingdom.

Their concern centers on whether enforcement practices are compatible with free speech and religious liberty standards, particularly when speech does not explicitly reference abortion.

Supporters of the law argue that its purpose is preventive rather than content-based, focusing on the impact of speech or conduct on vulnerable individuals entering healthcare facilities rather than the specific religious or political content of messages.

Critics counter that the interpretation risks criminalizing peaceful religious expression in public space.

The court has completed hearings and reserved judgment, with a decision expected in early May. The outcome will determine whether Johnston faces a criminal record and a financial penalty of up to £2,500, and is likely to shape how buffer zone laws are enforced in similar cases across the United Kingdom moving forward.