BEIJING (AP) — A 6.1 magnitude earthquake struck China's southwestern Sichuan province Saturday, killing 22 people and injuring more than 100, state media said. The quake killed 17 people in Sichuan and five others in the neighboring province of Yunnan, Xinhua said. The agency said about 100 people in Sichuan and 35 in Yunnan were injured. The quake hit 31 miles southeast of Panzhihua city in the southwestern corner of Sichuan on Saturday afternoon. Nearly 1,000 houses were destroyed in Panzhihua, and it was not known how many people were buried in the rubble, the report said. Reference: http://ap.google.com/article/ALeqM5gBr_dOzJ9Pnc_U9gSgtTgE-cR-KwD92T2Q4O0 Also Saturday, an earthquake measuring 5.3 on the Richter scale struck the northwestern region of Xinjiang, Xinhua said in a separate report. On May 12, 2008: a 7.9 magnitude earthquake in northern Sichuan killed nearly 70,000 people and left 5 million homeless. The region has been hit by scores of aftershocks, k