South Korea's parliament introduced a motion on Thursday to impeach President Yoon Suk Yeol over a botched attempt to impose martial law, but his party vowed to oppose the move, throwing the process into doubt.

President Yoon Suk Yeol’s stunning martial law declaration lasted just hours, but experts say it raised serious questions about his ability to govern for the remaining 2 1/2 years of his term.

Parliamentary aides in South Korea emptied fire extinguishers on armed troops entering the national assembly as protesters took to the streets.