- Prime minister Andy Burnham exchanged text messages with an individual impersonating US White House chief of staff Susie Wiles .
- The British embassy in Washington raised concerns with the White House, though no messages of significance were exchanged and no phone calls took place.
- US authorities had previously launched an investigation after prominent figures and officials received messages from someone attempting to impersonate Ms Wiles.
- A UK government spokesperson declined to comment on national security matters regarding the cyber incident.
- The exchange comes amid recent discussions between Donald Trump and Mr Burnham regarding energy policy in the North Sea and immigration.
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