Man killed pet cat before beheading grandmother

The crazed knife attacker who beheaded an 82-year-old grandmother after killing a pet cat remains in hospital under police guard.

The 25-year-old murdered Palmira Silva in Edmonton, north London after rampaging through gardens ranting about cats.

Police were forced to stage a dramatic evacuation operation to save neighbours, and an armed squad Tasered the knifeman as he struggled against officers.