Heathrow’s chief executive has apologised to thousands of stranded passengers after a fire at a nearby electrical substation resulted in a loss of power to the airport. It has now reopened after being closed for most of the day, and says it hopes to run a full operation tomorrow. We examine what it means for the resilience of the UK’s infrastructure.

Protesters in Istanbul have clashed with riot police after the arrest of the city’s mayor, and rival to President Erdogan, this week.

And as the Soundtrack Festival kicks off in London, we speak to a composer who has won a Grammy for his work on video game music.