Protesters sit in an open area at the campus of the Hong Kong Polytechnic University in the Hung Hom district of Hong Kong on Wednesday. Photograph: Anthony Wallace/AFP via Getty Images

Hardline protesters holed up in a Hong Kong university siege for four days have threatened to detonate homemade explosives if police storm the campus.(...)

 Protesters are seen in the  Hong Kong Polytechnic University  on Wednesday, the fourth day of a stand-off with police in Hong Kong. Photograph: EPA

Several Hong Kong schoolchildren in uniform were arrested on Wednesday morning, following calls from activists to “paralyse the whole of the city” dur(...)

 A diver from Hong Kong’s fire services department emerges after inspecting a sewage tunnel suspected to have been used by anti-government protesters to escape Hong Kong Polytechnic University. Photograph: Laurel Chor/Getty Images

Scores of protesters were still holed up in a tense siege in a Hong Kong university on Tuesday after many surrendered overnight, including more than 2(...)

Police detain a woman during a protest in the Tsim Sha Tsui district of Hong Kong on Monday. Photograph:  Kyle Lam/Bloomberg

Fearing a bloody crackdown, tens of thousands of protesters attacked riot police on Monday who were putting a Hong Kong university campus under siege.(...)