Protests broke out yesterday near a theatre where Ms Kim Yo Jong, the sister of North Korea's leader, and South Korean President Moon Jae In were to watch a performance by a visiting North Korean orchestra.
On Saturday, the North's leader Kim Jong Un invited Mr Moon to a summit in Pyongyang, an offer extended by Ms Kim in a letter she handed to Mr Moon. The rapprochement has angered South Korean conservatives, who accused Mr Moon of being a North Korea sympathiser.
SEE TOP OF THE NEWS: Protests in Seoul as Moon pursues rapprochement