A 'psychotic' Afghan migrant who was turned away from hospital two days before he stabbed a dog walker to death in West London is set to be detained indefinitely in Broadmoor Hospital.

Footage of an 'psychotic' Afghan migrant killing a dog walker in a knife-rampage in West London just two days after doctors ruled he wasn't a threat to the public was played in…

A 'psychotic' Afghan migrant who was turned away from hospital two days before he stabbed a dog walker to death in West London is set to be detained indefinitely in Broadmoor…