Heathrow Airport fire could be due to 'climate activists', aviation expert suggests

Aviation Security Expert Phillip Baum has claimed that "insider action" could have played a part in the electrical substation fire near Heathrow Airport, suggesting it may have been an "intentional attack".

Europe's busiest airport shut down its services after a huge blaze began at the electrical substation in Nestles Avenue, Hayes at around 11.30pm on Thursday night.

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