London's Heathrow airport is closed after a major fire at an electrical substation caused a power outage.
120 flights were in the air and had to be turned around or diverted.
Heathrow is Europe's busiest airport.
UK Correspondent Gavin Grey talks to Ryan Bridge about the shutdown, why former Scottish leader Nicola Sturgeon's no longer under investigation, and Finland's ranking as the world's happiest country.

Gavin Grey: UK correspondent on Labour's poor showing at the local elections
03:41

Geoff Bertram: energy economist on the Greens calling for the Government to bring down power prices
05:43

Shane Solly: Harbour Asset Management expert on the market reactions to the 'no deal' announcement on the Middle East conflict
03:07