- A man, aged 50, was arrested at the address in Hornchurch on suspicion of murder
- He was taken to hospital suffering from injuries, which at this early stage appear to be self-inflicted
- Police believe they know the identity of the woman but are waiting for formal identification
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"All it takes is for somebody to see me - and I could just die, just like that. I could want to go to the shop and not come home."
Before the killing, Peters searched the internet for "serial killers", "treatment of child killers in prison" and "premeditated murder".
Arriva Rail North, Greater Anglia and South Western Railway are all affected.