Chinese authorities are reported to have detained at least 60 people, believed to be North Korean asylum seekers, who tried to enter the South Korean consulate in Beijing.
South Korean and Chinese media report the group was detained Tuesday as it tried to enter the consulate.
A South Korean activist group - The Democracy Network Against North Korean Gulag - is quoted as saying two of those detained were activists who helped North Korean asylum seekers in China.
Tuesday, China criticized foreign embassies and diplomatic missions for giving shelter to North Korean asylum-seekers.
Hundreds of North Koreans have broken into foreign embassies and consulates in China in recent years.
Some information for this report provided by AP and Reuters.