A shark went astray and captured Korea's heart - will she finally make it back to sea?

Figure caption, Watch: BBC follows operation to rescue shark stranded in South Korean canal

By Jake Kwon

Seoul correspondent Reporting from Busan, South Korea

As soon as a large shark was spotted in a canal in Busan - a bustling shipping hub and beach city on South Korea's south-eastern tip - marine biologist Kim Hyun-woo was drafted in to rescue it.

He got the call in mid-September, on his way home from a business trip tracking shoals of mackerel to aid fishing vessels.…