Enraged parents wept and screamed as a judge sentenced a South Korean ferry captain to 36 years in prison for negligence and abandoning passengers when his ship sank earlier this year, killing more than 300 people, mostly high school students.

Investigators have traced a co-ordinated cyber attack that paralysed tens of thousands of computers at six South Korean banks and media companies to a Chinese internet protocol address, but it is still unclear who orchestrated the attack, authorities in Seoul said.

Grocery giant Tesco unveiled its biggest ever deal today after agreeing to spend nearly £1bn (€1.25bn) on beefing up its hypermarket presence in South Korea.