- Spokesman for UK Prime Minister says Britain has received assurances that claims won't be repeated
- White House Press Secretary read out media claims of GCHQ involvement in Trump spying
Washington (CNN)White House press secretary Sean Spicer flatly denied Friday that the White House apologized to the British government after citing an uncorroborated Fox News report to allege that a UK intelligence agency spied on President Donald Trump at the behest of former President Barack Obama.
'These claims are ridiculous'
GCHQ: Wiretap claims are 'nonsense'
The UK government's eavesdropping agency, it carries out electronic surveillance to combat terrorism, cyber threats and serious crime.
It's one of three UK intelligence agencies, the others being MI5, the domestic security service, and MI6, the foreign intelligence service.
GCHQ's collaboration with the United States dates back to the Second World War.
Its operations are shrouded in secrecy and it rarely makes public statements.
It has its headquarters in the English spa town of Cheltenham and says it employs more than 6,000 people.