The latest allegations about the extent of British and US spying are fuelling the debate about surveillance - with reform of the US National Security Agency appearing inevitable.
President Barack Obama told a press conference that "trust had been diminished" and it was important to take that into account when weighting up how the US "structures these programmes."
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A chilly evening and night with clear skies and tomorrow a little more cloud through Scotland and Northern Ireland again.
Researchers believe the new technique could help improve the chances of IVF, of which only around one in four attempts are successful.