SHANGHAI (Reuters) – About 100 people could have died or been injured in a 6.6 magnitude earthquake which struck near Ya’an city in China’s southwestern province of Sichuan on Saturday, close to where a massive temblor struck in 2008, killing almost 70,000. The earthquake occurred at 8.02 a.m. local time (0002 GMT) in Lushan county and the epicenter had a depth of 13 km (8 miles), state news agency Xinhua reported. …