Am no expert but how could a can take a plane down?
If it was full of Semtex or C4 then yes but, how would you get it in the can without compromising the appearance ?
Not sure what to make of it all really, plus the picture shows a switch?
Who pressed it? How did they know they would be in the tail section?
Which happens to be one of the most weakest part of any aircraft.
If a lump a marzipan can get through security, am going to Wales next year.
cut the top off empty can fill with explosives solder the top of the can back on?
maybe a passenger? booked a specific seat?
or possibly concealed in the plane by some cleaner/other airport staff?