U.K. police say no evidence of criminality in Heathrow Airport fire

Officials walk through the North Hyde electrical substation in London on March 22, 2025. (Maja Smiejkowska / PA via AP)

LONDON — British police said the substation fire, which caused Heathrow Airport to shut down for 18 hours last week, was no longer being treated as a potentially criminal matter after inquiries found no evidence to suggest the incident was suspicious.

(Reporting by Sarah Young; editing by William James)