Various UAVs were on display at the 2014 Security & Policing Event, 11 - 13 March in Farnborough, UK.
The exhibition featured a Live Demonstration Zone, allowing exhibitors to present their equipment to the audience.
Below a few UAVs showcased at the event:
COBHAM Surveillance UAV
aerovironment Puma AE, Raven and Wasp AE
Altura Zenith ATX8