1997_Ürümqi_bus_bombings
On February 25, 1997, 3 bombs exploded on 3 buses (lines 2, 10, and 44) in Ürümqi, Xinjiang, China. 9 people were killed, including at least 3 children, and a further 28 were injured. Another 2 devices in the south railway station (the main station in Ürümqi) failed to explode. Steel balls, screws, and nails were found in the bombs.
Uyghur separatists had committed the bombings. Responsibility for the attacks was claimed and acknowledged by factions of certain diaspora Uyghurs.[1][2]