The co-pilot of the Germanwings flight, named as Andreas Lubitz, intentionally started the plane's descent before it crashed into the French Alps, officials say.
David Cameron and Ed Miliband have been put on the spot over immigration, the EU and spending plans in the first set-piece TV broadcast of the election.
The next season of ITV's period drama Downton Abbey will be its last, its makers announce.
Friday's papers are full of speculation about what may have led the co-pilot of the Germanwings Airbus 320 to deliberately crash the jet, and on how airlines can protect themselves from such occurrences.
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Live coverage of first and second practice for the Malaysian Grand Prix on BBC Two, 5 live sports extra and online.