Today it was reported that an China Eastern 737-800, registered as B-1791, running MU5735, crashed in Guangxi today. The information we have is currently limited, however what we do know is that the aircraft was last seen in a dive and had 133 passengers.
Source: https://twitter.com/flightradar24/status/1505849299967565827?s=20&t=_Aprpl4ZBhvtkeGooW-GdA