Clips shared on social media in China have appeared to show fresh protests against Covid restrictions, after an apartment block fire killed 10 people.
Demonstrators were filmed confronting officials, breaking down a barrier and shouting "end the Covid lockdown".
Beijing continues to pursue a zero-Covid policy, despite record infection numbers and growing public anger.
Authorities in the city of Urumqi have denied claims that restrictions stopped people escaping Thursday's fire.
The capital of the western Xinjiang region has been under restrictions since early August.
