South Korea’s visa-free scheme for Chinese tour groups has ignited a partisan clash, fuelling concerns that weaponising anti-Beijing sentiment for political gain could undermine broader national interests.The launch of the programme drew sharp criticism from members of the conservative opposition People Power Party (PPP), who raised alarm over security and public safety.Hitting back, lawmakers from President Lee Jae-myung’s ruling Democratic Party of Korea (DPK) denounced such warnings as...