The night watch: the YouTubers who were guardians of a shark stuck in a South Korean canal

Wearing hi-vis and carrying selfie sticks, livestreamers watched over an animal that was trapped for a month and drew more than 1.6m visitors before being guided out In South Korea , they call them jagyeongdan , a word whose meaning sits somewhere between vigilante group and neighbourhood watch. Each night they put on hi-vis vests, picked up their selfie sticks and gathered around the harbour in Busan to keep watch over an unlikely charge: a stranded shark affectionately known as Bukang-i.