There are no trains to and from Marylebone until further notice. Police are investigating after someone was hit by a train.
#Marylebone Chiltern Railways passengers may use CrossCountry, Virgin Trains & London Midland on any reasonable route
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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.