North Korea denies Sony film hack claim

North Korea has denied hacking into the computer system at Sony Pictures in retaliation for a film depicting the country's leader - but has praised the attack itself as a "righteous deed".

The attack crippled computers at Sony and led to upcoming films and workers' personal data being leaked online.

In a television address, North Korea said its "supporters and sympathisers" may have carried out the attack as a "punishment for [the company's] evil doings".