With the resurgence of interest in all things CBRN a number of manufacturers are beginning to exploit the possibility of using existing remote control mine disposal and fire control equipment for CBRN reconnaissance in both military and civilian scenarios.
One of these is the Croatian manufacturer DOK-ING with their MVF-5, demonstrated at Shrivenham last November. Like all unmanned systems, it is designed to place the human operator at a safe distance from the hazard which might be ammunition, chemicals, unsafe buildings or even a chemical weapon. In the UK, DOK-ING are represented by Lutra Associates.
If there was a Home Office requirement one would assume a joint purchase and support arrangements would make sense.