Arrest development: South Korea’s Yoon held

After dramatic scenes in South Korea, President Yoon Suk Yeol has been detained on insurrection charges, stemming from his attempt to impose martial law in December. But, says our correspondent, the political and economic fallout is not over. The craze for plastic surgery reaches some surprising body parts (7:46). And a visit to the world’s most disciplined primary schools – in Japan (16:40).

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