<a href="https://en.wikipedia.org/wiki/Vietnam" id="mwsA" rel="mw:WikiLink" title="Vietnam">Vietnamese</a> prison guards led by Trịnh Văn Cấn <a href="https://en.wikipedia.org/wiki/Thái_Nguyên_uprising" id="mwsQ" rel="mw:WikiLink" title="Thái Nguyên uprising">mutiny</a> at the <a href="https://en.wikipedia.org/wiki/Thái_Nguyên" id="mwsg" rel="mw:WikiLink" title="Thái Nguyên">Thái Nguyên</a> penitentiary against local French authority.