Whilst the Government is not ruling out the possibility that the Woolwich attacks were part of a wider conspiracy, as far as they see it tonight there is no sign that that is the case.
Politically there may end up being broader questions about this - even to the extent of whether it should be classed as a terrorist attack at all.
People will be asking whether people acting on their own, mouthing an incoherent political philosophy, should be considered as any different to day-to-day criminality that we see in the courts on a regular basis.
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Mostly dry overnight in the east, strong winds and showery rain affecting Scotland & Northern Ireland