大象传媒

The 大象传媒 has been given rare access to HMP Pentonville men's prison in north London at a time of major crisis for jails in England and Wales.

With prisons across the country running out of cells for new inmates, the government is set to release some offenders early in a controversial scheme aimed at easing the overwhelming pressure on a system on the brink of collapse.

Over the course of two days inside Pentonville, we were confronted with the stark reality of this crisis.

Listen to find out what Sima Kotecha found inside.

(Image credit: Getty Images)