Writer Adnan Al-Ziraii’s family confirmed that they had identified his photo today (above left, alongside an earlier photo of him) amongst the latest tranche of Caesar photos to be released, with the heartbreaking discovery providing verification that he had died under torture in an Assad regime prison.

A total of 14,388 people have been documented as being tortured to death in Syrian civil war since March 2011 – an average of just over four people per day - with the vast majority of these killed by Bashar al-Assad’s regime, according to a new report from the Syrian Network for Human Rights (SNHR).

Ahead of the International Day in Support of Victims of Torture, SNHR, which documents violations of civil rights, prepared a special report for the Anadolu Agency on victims killed under torture in Syria

Hundreds of thousands of Syrians searching for their relatives have stepped up their efforts after the US adopted the Caesar Act, new legislation imposing sanctions on the Syrian regime for war crimes.

Families, who had long given up on ever finding their relatives, can click on web links to see photos of some of the thousands of people killed in regime prisons, in a desperate attempt to confirm the death of their loved ones.

An elderly Syrian man, named as Nader Aboud Abu Yousef, died on Sunday after suffering a heart attack while searching for a picture of his only son, who was detained by the Syrian regime, among the leaked ‘Caesar’ photographs.