S Korea's ousted ex-President Yoon quits party ahead of snap polls

South Korea's ousted former President Yoon Suk Yeol has left the conservative People Power Party (PPP). The announcement comes as PPP's presidential candidate Kim Moon-soo is trailing liberal Democratic Party candidate Lee Jae-myung in the polls before the June 3 snap election. The snap election was called following Yoon's impeachment over his attempt to impose martial law.