Observers say human rights issues have been eclipsed on this visit by regional tensions over North Korea's nuclear weapons program.
Toddlers are shown being mistreated on clips of video surveillance footage, rocking the city's political establishment.
Dissidents and activists call for the release of Liu Xiaobo's widow Liu Xia, and jailed Uyghur scholar Ilham Tohti, among others.
Like late Nobel peace laureate Liu Xiaobo earlier this year, Yang Tianshui was denied permission to leave China to seek medical treatment..
China promises lavish welcome, 'constructive' talks, as activists highlight human rights abuses.
Beijing says the move is aimed at 'booing' and other protests like those recently staged by Hong Kong soccer fans.
'All you'll wind up with is a dead body,' says Huang Qi, after repeated beatings by former officials-turned-inmates.
The calls come as U.S. President Donald Trump embarks on an 11-day visit to the Asia-Pacific region amid concerns he may soft-pedal on human rights.
Sun Hongqin has been pursuing official complaints over nonpayment of her pension for the past 17 years.
Lawyers are speaking out in the hope that the government will revise discriminatory recruitment practices based on the health status of applicants.
Germany-based Springer Nature blocks access to some 1,000 articles in two of its journals to users in mainland China.
Anyone working in news-related content must now submit to government training and controls in a further bid to rid China of unauthorized information.