Louisa Akavi's story was a secret that lasted more than five years from the date she was taken hostage in 2013.

At stake was a woman's life – that of a long-serving nurse with the International Red Cross who survived an attack in Chechnya in 1996 only to be one of seven Red Cross workers taken hostage by Islamic State in October 2013.

Some media found out Akavi's identity soon afterward.

But by an extraordinary feat over the following years, the Government managed to ensure her name and nationality were kept out of the news in a bid to try