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All 150 people on board a Germanwings A320 plane were killed when it was brought down over the French Alps during its journey from Barcelona to Dusseldorf. It is the latest in a series of fatal plane crashes to hit the headlines over the past year. But are crashes becoming more common, or does it just seem that way? Ruth Alexander and Hannah Moore report. Plus, Chelsea Football Club is complaining that it has been awarded too few penalties this season. A recent article on its website calls the number – two in 28 games – "abnormally low" compared to previous seasons. Is that right? With Kevin McConway, professor of Applied Statistics at The Open University. (Image: Rescue workers search the site of the Germanwings plane crash. Credit: Francis Pellier MI DICOM/Ministere de l'Interieur/Getty Images)