Detectives investigating the murder of a woman stabbed to death on an east London street have released CCTV images of a man they are trying to trace. 24-year-old Mariana Popa from Romania was attacked just after midnight on Tuesday, 29 October.
These images were taken close to the scene of the attack in Ilford, on Ilford Lane, near the junction with Loxford Lane.
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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.