Beijing, Sep. 5 (PTI): At least 21 people were killed in China on Monday when a powerful earthquake of 6.8-magnitude jolted Luding County in the country’s southwest Sichuan province, whose population is already reeling under a rising number of COVID-19 cases and an unprecedented drought. The epicentre of the quake, which occurred at 12:25 pm local time, was monitored at 29.59 degrees north latitude and 102.08 degrees east longitude at a depth of 16 km, China Earthquake Networks Centre was quoted as saying by the state-run Xinhua news agency. The epicentre is 39 km away from the county seat of Luding and there are several villages within the 5-km range around the epicentre. Twenty-one people were found to have been killed in the quake so far, the state-run China Daily reported. The tremor was felt in Chengdu, the capital of Sichuan, which is 226 km away from the epicentre. Photos and videos posted on Chinese social media showed buildings shaking in Chengdu. Details of the damage a