At 11 a.m. on August 6, a Route 205 bus reportedly exploded at the gate of Qinghua University. Three passengers suffered injuries. At 4:30 p.m. on the same day, a Route 10 bus exploded at Naoshikou Street near Changan Street, a famous street in Beijing that runs through Tiananmen Square.
Per photos taken by eye witness citizens, white powder was scatted everywhere. A middle aged woman suffered from a broken leg. Other injuries were not clear.
Source: EpochTimes.com, August 7, 2008
http://news.epochtimes.com/gb/8/8/7/n2220344.htm