All dogs in England will have to be micro-chipped from 2016.
The new rules will help missing dogs be reunited with their owners, but will it help crack down on dog owners who are irresponsible?
Ronke Phillips reports.
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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.