Nina is significant because it is the first virtual assistant customer service app to incorporate both speech recognition and voice biometrics into a single integrated solution.

ENGADGET: Voice assistant 'Nina' lets any app obey commands, makes speech your password

Assistant Chief Constable Garry Shewan said GMP had had "significant reductions" in anti-social behaviour in 2013, but that the force was "not complacent" about the issue.

BBC: Teenager drinking in the street

"We were delighted to find that patients who get the current state-of-the-art treatment with platelet blockers, medical treatment and stents during procedures had a significant improvement in their outcome, " said Dr. Christopher Cannon, an assistant professor at Harvard Medical School and a principal investigator for a number of heart-related studies at Brigham and Women's Hospital in Boston, Massachusetts.

CNN: Research closing in on heart disease