The officer with a fractured skull suffered a bleed to the brain, but remains in a stable condition.

BBC: Police officers hurt in Harpurhey hit-and-run

Thames Valley Police said the post-mortem examination found the cause of death to be a bleed on the brain.

BBC: Alvescot Road, Carterton

Sean died four weeks later from a significant bleed in his brain.

BBC: Bristol Children's Hospital heart operations reduced

But patients are also at risk of death within seven days of treatment because the drug can cause a secondary bleed in the brain.

BBC: Brain

They rupture leading to a bleed on the brain.

BBC: Andrew Marr: Why do healthy people have strokes?

You could bleed into your own brain.

NEWYORKER: Stone Mattress

During childhood, hemiplegia is often caused by a stroke, like Peter's, when a bleed or clot damages part of the brain.

BBC: Two-year-old stroke victim is living with hemiplegia