Two companies and four individuals were charged with permitting the use of defective materials in building works, and failing to properly supervise repair works.

Changzhou Xingyu Automotive Lighting Systems said management erred in its assessment and acted “hastily” without fully considering that the graduates had only recently joined the company.

President Lee Jae Myung's remarks ruling out seeking a term extension come as his approval rating has fallen to its lowest level since he took office.

Authorities said the gunman fled to his home after the shooting.