Yoon Suk Yeol told authorised soldiers to break down doors and drag politicians out of parliament, prosecutors say.

Suspended president Yoon Suk-yeol authorised the military to fire their weapons if needed to enter parliament, according to prosecutors.

The lawyers for a former South Korean defence minister under investigation on insurrection charges said on Thursday a short-lived martial law decree imposed earlier this month was to raise alarm on opposition parties' abuse of the democratic process.