SEOUL, South Korea — South Korean prosecutors on Sunday indicted impeached President Yoon Suk Yeol on rebellion in connection with his short-lived imposition of martial law, a criminal charge that could incur the death penalty or life imprisonment if convicted.

Impeached South Korean President Yoon Suk Yeol was indicted for insurrection on Sunday, an unprecedented development in weeks of political and legal crisis since his short-lived martial law attempt stunned the nation.