Amazon has become the first retailer in the UK to roll out a local drone-based delivery service, launching some deliveries to addresses within a 7.5-mile area of its warehouse in Darlington , County Durham. The MK30 drones, which Amazon described as its “most advanced yet” have been buzzing across the countryside to deliver packages weighing no more than 5lb (2.2kg) and containing a range of domestic products including batteries, household cleaning items, cables and beauty products. It said the Prime Air delivery system can get products “into customers' hands quickly, in less than two hours” – a service for which they believe there is considerable demand – and it is aiming to expand across the country. The drones can carry parcels weighing up to 2.2kg, which they release 12 feet above the recipient’s garden (Amazon) A farmer in County Durham who let the company test the technology ordered some rubber gloves to demonstrate the delivery for reporters.…