Statistics from the Joint Council of Qualifications show:
- The percentage of Londoners getting A or above has dropped by 0.2% since last year
- The number also dropped the year before, with a 0.6% drop in A grades from 2011 to 2012
- The number of pupils getting E grades has risen by 0.2% in 2013. It was stable between 2011 and 2012
- The proportion of the UK's A* grades achieved by Londoners has gone up though - 18% compared to last year's 17%
- More people in London enrolled for A-levels this year: 16% of pupils in 2013 compared to 15% in 2011 and 2012
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A lamp in the tower which houses Big Ben is to be switched off for the first time in more than 70 years.
Sir Bruce entertained audiences for more than seven decades.
Work in the tower will also pause over the bank holiday weekend.