Speaking after a meeting with Mario Monti in Italy, David Cameron said George Entwistle's BBC pay-off is "hard to justify".
He added that radical and urgent changes were required - but stressed that that should happen with Lord Patten remaining as chairman of the BBC Trust.
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Thirty-one people have been injured, nine seriously, after an Etihad plane travelling to Indonesia hit "severe and unexpected turbulence."
Prosecutors described it as one of the "most serious" cases of animal neglect they had ever dealt with.
A baby kangaroo had a narrow escape when a large eagle swooped down and grabbed him in his talons, carrying him away.