London girl Adele has topped the Sunday Times list of Young Music Millionaires.
The multiple award winner has an estimated worth of £30 million.
However, she has a little way to go to match the top music earner of all- Sir Paul McCartney, who has a fortune of £680 million.
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A Network Rail spokesman said its engineers are on site and would fix the problem "as soon as possible". Disruption is expected until 10am.
Visas will be denied for low-skilled workers earning below a certain amount and a points-based system will come into force.
At least five flights approaching Heathrow were forced to land at alternative airports due to a runway closure.