Officials hold a press conference on the latest about China Eastern Airlines flight MU5735 that crashed in south China's Guangxi Zhuang Autonomous Region on March 21. Both black boxes have now been recovered. All 132 people on board have been confirmed dead. Mourning ceremonies were held on Sunday to express condolences to the victims. Investigation into the cause of the accident is underway as clean-up efforts continue. #OfficialRelease #MU5735