UK spy chief: rapid organisation in face of security threats is main concern

Britain's Queen Elizabeth visits Watergate House to mark the centenary of the GCHQ in London

LONDON (Reuters) - The head of Britain's GCHQ signals intelligence agency, Jeremy Fleming, said on Wednesday one of his top concerns was that the security and defence services were able to organise themselves quickly enough to defend against the full range of modern security threats.

(Reporting by Guy Faulconbridge and Jack Stubbs; Editing by Kate Holton)