British investigators and senior government officials , including British Home Secretary Charles Clarke , said this weekend that they were very concerned that the cell of terrorists responsible for the attacks might strike again in London .
Charles Clarke /people/person/place_of_birth London
JJ NNS CC JJ NN NNS , VBG NNP NNP NNP NNP NNP , VBD DT NN IN PRP VBD RB JJ IN DT NN IN NNS JJ IN DT NNS MD VB RB IN NNP .
Charles Clarke
PERSON
London
LOCATION
/people/person/place_of_birth