A witness reportedly at the scene where an 92-year-old woman fell off a bus in Twickenham has told ITV London that "she lost her grip".
@suswatibasu the 490 bus stopped outside twickenham whsmiths, an old woman attempted to get on and lost grip on door, feel back and hit head
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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.