This week's abduction talks in North Korea shed little light on the questions Japan wants answered, as Pyongyang offered no new information about what happened to Japanese it kidnapped, the government said Friday.

But Chief Cabinet Secretary Yoshihide Suga said North Korea's delegates underscored their commitment to conducting a full and fresh investigation untainted by Pyongyang's previous, discredited assertions about those missing.

"(The North) explained it will conduct the investigation objectively and scientifically with emphasis on witnesses and physical evidence, and will comprehensively deepen its probe, examining the matter from new angles, regardless of the findings of past investigations," he said.