A British couple imprisoned in Iran on espionage charges has had their appeal against their convictions denied, according to a statement from their family.

The couple, who have been held in Iran for an extended period, were convicted of spying, a charge they and their supporters have consistently denied. The outcome of the appeal means their original sentences will stand, leaving their future in Iran uncertain.

Details surrounding the specific charges and the evidence presented during the trial have remained largely undisclosed. The family has been actively campaigning for their release, highlighting the couple's innocence and calling for diplomatic intervention.

This rejection of the appeal is a significant blow to the family's hopes for a swift resolution. It prolongs the couple's detention and raises further concerns about their well-being and the legal process they have undergone.

The case has drawn international attention, with human rights organizations and foreign governments calling for the couple's release. Previous diplomatic efforts to secure their freedom have reportedly yielded no results.

Sources close to the family have expressed deep disappointment and frustration following the appeal's failure. They continue to maintain the couple's innocence and are exploring all available avenues to secure their return home.

This situation is part of a broader pattern of detentions of dual nationals in Iran, which critics argue are often politically motivated. The Iranian government has consistently denied such allegations, stating that its legal system is independent.

As the couple remains in detention, their family is likely to intensify their public and private appeals for their release, urging continued pressure on the Iranian authorities and seeking support from international bodies.