Sweden’s culture minister defied a Chinese threat on Friday to award a Swedish human rights prize to detained Chinese-Swedish book publisher Gui Minhai.

The Swedish section of the International organization PEN awarded its free speech Tucholsky Prize free speech prize to the 55-year-old Gui, a Chinese-born Swedish citizen now detained in China. The Tucholsky Prize was established in 1984 and is named after German writer Kurt Tucholsky, who sought asylum to Sweden fleeing Nazi Germany in the 1...