Report: SKorea warned of NKorean submarine attack

Military intelligence officers had warned earlier this year that North Korea was preparing a suicide submarine attack on a South Korean vessel in retaliation for an earlier defeat in a sea battle, a newspaper said Thursday.

There has been growing speculation that North Korea was behind the March 26 explosion that split the 1,200-ton Cheonan in two and sank it, killing at least 38 people and leaving eight missing.

Seoul has not directly blamed Pyongyang for the blast, and the North has denied involvement, but suspicion remains given the country's history of provocation and attacks on the South.

Read more