However , according to London 's mayor , Ken Livingstone , that has given way to a shoot-to-kill policy in some circumstances . ''
Ken Livingstone /people/person/place_lived London
RB , VBG TO NNP POS NN , NNP NNP , WDT VBZ VBN NN TO DT JJ NN IN DT NNS . ''
Ken Livingstone
PERSON
London
LOCATION
/people/person/place_lived