BioSentral

Korean DMZ droids 'unfit for combat' - The South Korean armed forces have announced that a year-long trial of robotic guard systems versus human troops has been judged a failure for the mechanoids. South Korea remains committed to significant automation of its defences, but intends to move forward with different kit - possibly with overseas involvement.… [Theregister.co.uk]

Here is a link to article about these things from a while back