Search and rescue efforts are continuing for the crashed China Eastern Airlines flight MU5735. The first black box, identified as the cockpit voice recorder, was found about 20 meters away from the main impact area on Wednesday afternoon and is being analyzed in Beijing. Experts are now trying to extract and decode the data in the device, officials said on Thursday. 

The China Eastern Airlines Boeing 737-800 jetliner crashed on Monday afternoon in south China's Guangxi Zhuang Autonomous Region with 123 passengers and nine crew members on board.