A man was charged last night with the murder of 77 year old Rosemary Shearman.
50 year old Thomas Blazquez, from Redbridge was charged with killing the grandmother in her own home in Hornchurch last Tuesday 3rd September.
He will appear at Westminster Magistrates Court tomorrow.
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The plaque at number 16 Cowley Street in Westminster marks the brown brick Georgian townhouse where Sir John lived for 31 years.
A man reportedly armed with several knives has been arrested in Whitehall on suspicion of planning a terror attack, police have said.
Metropolitan Police officer, Tom Harrison, has been crawling the course since the race began on Sunday morning.