A bomb has exploded in a city in central China's Hunan province, injuring 12 people and damaging five vehicles. The Xiaoxiang Morning Post reports the bomb, which was hidden under the backseat of a motorcycle parked in front of a cafe, exploded in Yongzhou city on Tuesday afternoon. It says two people were knocked to the ground, while 10 others nearby sustained light injuries. The motorcycle where the bomb was hidden and another motorcycle parked nearby were destroyed. Three other vehicles were lightly damaged. The windows of seven shops nearby were completely smashed. According to initial police investigation, the bomb contained ammonium nitrate and TNT. The newspaper reports authorities suspect the bombing was an act of Dire Revenge™. No other details were given.