A British couple held in an Iranian prison are reportedly in a "grave condition" after intensifying a hunger strike, with one of them vowing to continue "until death" to draw attention to their plight.

Lindsay Foreman is now surviving only on water, according to reports on Wednesday, as she and her husband escalate their protest from inside the Iranian jail. Her family expressed profound concern for their well-being.

"We’re sick with worry," a family member told The Independent, highlighting the deteriorating health of the couple.

The reasons for the couple's detention in Iran have not been detailed in the reports, but their action underscores the precarious situation faced by foreign nationals imprisoned in the country.

Growing Alarm Over Health Deterioration

Ms Foreman has made a solemn pledge to continue her hunger strike "to make sure everyone sees what is happening here," The Independent reported. Her husband is also participating in the protest, though his specific condition was not independently detailed.

Concerns for the couple's health are escalating rapidly as their period without food lengthens. Hunger strikes in detention often lead to severe and irreversible health complications, sometimes proving fatal.

Context of Foreign Detentions in Iran

The case adds to a broader pattern of foreign nationals, including those with dual British-Iranian citizenship, being detained in Iran on various charges. These detentions have frequently become points of contention in diplomatic relations between Tehran and Western governments.

The British government typically engages in consular efforts to support its citizens detained abroad, though specific details of any interventions in this case were not immediately available. Family members of other British detainees have often called on the UK government to exert more pressure on Iranian authorities for their release.

The couple's desperate measure highlights the ongoing challenges faced by families seeking the return of their loved ones from Iranian prisons, often caught in complex geopolitical disputes.