London Mayor Boris Johnson has urged larger firms in the capital to pay the London Living Wage of £8.55 to their employees, saying "it doesn't hurt these companies to do a bit more for their employees".
Speaking in a BBC interview after his speech at the Conservative Party Conference, he said there was no reason why large companies should avoid paying the higher rate. "They've got huge dividends, huge profits and it can make a real difference to people on low incomes in London", he said.
More top news
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.