In today’s newsletter: Years of preparation and global coordination ensured communities from Japan to Hawaii were not caught off guard

Good morning. Yesterday one of the most powerful earthquakes ever recorded hit a sparsely populated region in far east Russia.

It triggered a tsunami that started crossing the ocean at hundreds of miles an hour. What followed was a race against time – early warning systems went into alert mode as waves fanned out towards the coastlines of Japan, Hawaii and the US west coast.

Travel | The head of the UK’s air traffic control company is facing calls to resign after hundreds of flights were delayed when the system went down for about 20 minutes on Wednesday.

Israel-Gaza war | A British-Israeli woman who was held hostage by Hamas for more than 15 months has accused Keir Starmer of “moral failure” after he set the UK on course to recognise a Palestinian state. Emily Damari, 29, who was released in January, said the prime minister was “not standing on the right side of history” and should be ashamed.

UK news | The co-founder of Palestine Action can bring a legal challenge to the home secretary’s decision to ban the direct action group under anti-terrorism laws, a high court judge has ruled.

Environment | Ethnic minorities and people living in the most deprived areas of England are at increased risk of dying due to excess heat, according to new research.

Technology | Five million extra online age checks a day are being carried out in the UK since the Online Safety Act introduced age-gating for pornography sites, according to new data from the Age Verification Providers Association.