An unlawful surveillance device, said to have been placed in a vehicle owned by one witness, has been intercepted by police in another country.

Each wagon will have a surveillance device to check the right ones are put out on the right day and record a log of missed collections.

But before he could start, the nefarious inventor sees through his surveillance device that someone came to his facility.

Almost 50 countries have robots in their arsenals though largely, for the moment, as surveillance devices.

Surveillance devices of increasing sophistication and variety are now widely available on the open market.