Erm, a story from BBC News.

“Kidnappers” who stole a Dalek from a Somerset tourist attraction have sent its owners a ransom note – and the robot’s amputated plunger.
[…]
On Thursday, staff found the plunger arm and a ransom note on a doorstep.

The note read: “We are holding the Dalek captive. We demand further instructions from the Doctor.”

The group, signing themselves Guardians of the Planet Earth, added: “For the safety of the human race we have disarmed and removed its destructive mechanism.”
[…]
Former Dr Who actor Colin Baker has been in touch with staff at the attraction, and may be asked to send a message to the kidnappers.