Pannir Selvam Pranthaman is at risk of joining a long list of drug couriers who have been executed under Singapore's controversial drug laws

Usually taken against a pale-green flowery backdrop, the photos offer a glimpse into the last days of the condemned.

Lawyers for Liberty says no civilised nation should resort to hanging the mentally disabled.

The song was written to highlight what prisoners experience while awaiting execution.

It also rebuts Singapore's claim that the suit was 'baseless'.