A pensioner has been killed in what appears to be a random attack at her home in Hornchurch. Police say the woman who lived in Platford Green, is believed to be in her 70s.
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Before the final declaration on Friday, the Conservative candidate looked set to lose the City Hall race to Labour's Sadiq Khan.
The Tooting MP has been the frontrunner in the counting process ahead of Tory challenger Zac Goldsmith.
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.