South Korean opposition parties introduced a bill Thursday calling for an independent investigation into impeached President Yoon Suk Yeol’s brief martial law declaration.

South Korean President Yoon Suk Yeol will accept the decision of the Constitutional Court that is trying parliament's impeachment case against him, even if it decides to remove the suspended leader from office,

The case, involving an inquiry into a marine’s death, had stoked political tensions long before President Yoon Suk Yeol’s impeachment last month.