Volvo's autonomous refuse lorry and other tech news

BBC Click's Kathleen Hawkins looks at the best of the week's technology news stories including:

  • Volvo announces testing of an autonomous refuse lorry

  • Google’s DeepMind Alpha Go, an artificial intelligence, defeats the world number one Go player Ke Jie

  • Dubai Police reveal their first robotic police officer

See more at Click's website and @BBCClick.