Oh please!
Can we stop the 'oh they use old aircraft' argument here, hardly the point on this one is it?
Looks like a well executed (ok scary for pax) full evacuation. Investigations will reveal more as and when they are forthcoming.
It's what we all train for so initially lets congratulate the whole crew for their decision making whilst wishing anyone hurt has not been too badly. A rubbish start to their holiday but professionals acted quickly to ensure it was only their holiday that has been affected.
Bring on the DM and other trash journos - I can hardly wait. Meanwhile I look forward to learning the full facts so we are all reminded that it could happen to us.