Lee Sedol clinches first victory against Google’s AlphaGo - video

Go champion Lee Sedol scores his first victory against Google's AlphaGo on Sunday, after suffering three consecutive defeats to the supercomputer. Sedol, who was visibly happy after the game, says the victory is priceless and he had hoped to win at least one round. CEO and founder of Google DeepMind says while AlphaGo may have lost, his team will learn important lessons about the program's limitations

• Go humans: Lee Sedol scores first victory against supercomputer