More than half of Londoners think the capital should copy cities like New York indesigning its own logo, according to a new YouGov survey.
Londoners were also asked to decide which words most describeLondon, with 'diverse', 'creative' and 'proud' proving the most popular with residents.
Asked which sights most represent the city, traditional icons like Big Ben, Tower Bridge or the London Underground were the most common answers
Meanwhile, no respondents chose the Gherkin or the Olympic Stadium, both newer landmarks.
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Specialist explosive detection dogs searched through the town examining letter boxes and phone booths for signs of potential devices.
Temperatures soared to 27.9C in Northolt shortly after midday on Thursday, making it the warmest April day for 69 years.
The South East will enjoy the best of the weather and along with Paris will be the hottest place in Europe.