Magnitude 5.1 temblor hit mountainous area, number of injured unclear

BEIJING - A magnitude-5.1 earthquake hit a mountainous area in southwestern China on Saturday, killing at least 17 people and injuring dozens, a government official said.
The earthquake struck at 9:10 am (0110 GMT) and toppled at least 56 houses and sent large rocks tumbling down onto residential areas in and around Yunnan province's Yanjin county, about 90 kilometers (55 miles) from Zhaotong city, the official Xinhua News Agency said.
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