The fire that caused the chaotic shutdown of Heathrow airport in March was likely caused by a “catastrophic” failure of a crucial component at an electricity substation that should have been prevented, Britain's National Energy System Operator (NESO) said in a report on the incident on Wednesday.

Also in this episode:

• Composer and violinist Ellie Wilson on her immersive melody to highlight the fragility of ecosystems under threat from climate change and habitat loss. The 12-minute track is titled Moth X Human and has been made in collaboration with the UK Centre for Ecology and Hydrology.

• The FBI have warned that cyber gang, Scattered Spider, are now thought to be targeting the airline industry.

• E1 Series powerboats make London debut with spectacular display on the Thames.

• England’s warmest June on record and the UK’s second warmest temperatures since 1884.

• Europe's heatwave: the Eiffel Tower shuts its top level, forest fires, and soaring 45+ degree temperatures are recorded in parts of the continent.

• UK watchmaker gives back time to those who need mental health support.

• Superman soars 1,000ft over The Shard.

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