9月3至4日期间发生在北京街头的三起截访事件，其中两起有警察参与。
Between September 3 and 4, three incidents of petitioners being intercepted took place on the streets of Beijing, two of which involved the participation of police officers.
9月3至4日期间发生在北京街头的三起截访事件，其中两起有警察参与。
Between September 3 and 4, three incidents of petitioners being intercepted took place on the streets of Beijing, two of which involved the participation of police officers.