Surveillance camera drones and other news

BBC Click’s Marc Cieslak looks at some of the week’s best technology stories including:

• A US federal judge in Seattle has blocked the release of software that allows consumers to 3D-print firearms

• Dixons Carphone has said a huge data breach that took place last year involved 10 million customers, up from its original estimate of 1.2 million

• Two European tech companies have partnered to create the first ever indoor autonomous surveillance drone

See more at Click’s website and @BBCClick.