A pensioner killed by a stranger at her home in Hornchurch has been named locally as Rosemary Shearman. She was aged 72. Mrs Sherman's son, Greg, is believed to on his way to scene from his home in Wales. Her daughter lives in Hong Kong.
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More than a tenth of the Piccadilly Line train fleet is out of action because of emergency repairs to damaged wheels.
Rows of students stood and turned their backs before filing out of the lecture theatre.
Effie the endangered Western lowland gorilla has given birth to a healthy baby boy at London Zoo.