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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Calum McSwiggan posted a photo on Instagram as he lay in a hospital bed after the alleged attack.
The London mayor publicly backed defeated candidate Owen Smith in the contest which saw Mr Corbyn re-elected party leader.
Police described it as a "growing sink hole" and it's unclear when the road will reopen.