Ken Livingstone , the mayor of London , said he was not surprised by the second wave of attacks . ''
Ken Livingstone /people/person/place_lived London
NNP NNP , DT NN IN NNP , VBD PRP VBD RB VBN IN DT JJ NN IN NNS . ''
Ken Livingstone
PERSON
London
LOCATION
/people/person/place_lived