Wormwood Scrubs prison stabbing victim named as 25-year-old Khader Saleh

Murder investigation launched after inmate pronounced dead at scene

There are concerns over chronic staff shortages at the prison (PA)

The prisoner who was stabbed to death at Wormwood Scrubs has been named by police as Khader Saleh.

A murder investigation has been launched after emergency services pronounced the 25-year-old dead at the scene in west London on Wednesday afternoon.

Four inmates were arrested on suspicion of murder after Saleh's body was found with a number of knife injuries. The men, two aged 21, a 20-year-old and a 23-year-old, remain in police custody.

In a statement Scotland Yard said: "While formal identification awaits, officers are confident the deceased is 25-year-old Khader Saleh.

"A post-mortem examination will be arranged in due course."

The victim's next of kin have been told, police added.

It comes less than two months after a formal inspection of the jail raised concerns over chronic staff shortages, food shortages and a surge in violence.

Inspectors also found areas of the west London jail were strewn with litter, attracting rats and cockroaches, in what they said painted an “extremely concerning picture”.