Officials and ambulance crews were called to the west London prison at 3.19pm on Wednesday, however the 25-year-old was once pronounced useless on the scene.

An investigation has now been introduced, and 4 inmates on the class B prison were arrested on suspicion of homicide.

The lads – two 21-year-olds, a 20-year-old and a 23-year-old – stay in police custody.

Scotland Backyard mentioned Khader’s subsequent of family members were knowledgeable, and a autopsy exam will likely be organized sooner or later.

Symbol: The jail was once described in a November document has being ‘bad’ for group of workers and inmates

Information of Khader’s dying got here after a document by way of the jail’s Impartial Tracking Board described it as “a perilous setting for group of workers and prisoners alike, with a couple of violent incidents on maximum days”.

The document, revealed ultimate November, mentioned the jail remained a “bad position” with 40 to 50 violent incidents in a standard month.

On the time, the jail – which has about 1,200 male inmates – was once mentioned to be “constantly” wanting group of workers.

The document added: “Managers and officials are anticipated to paintings – and prisoners are anticipated to reside – in unacceptable stipulations, which don’t seem to be best indecent but in addition constitute a danger to the safety of the jail.”

It additionally mentioned that Carillion, the organisation reduced in size for repairs products and services to Wormwood Scrubs, which collapsed earlier this month, was once “now not in a position to adequately handle the material of the jail”.