<span style="color: #222222;">In China , rescue efforts for the 132 passengers and crew aboard China Eastern Airlines flight MU5735 are  on in the city of Wuzhou in Guangxi province . However, there are no signs of any survivors so far. State media reported that rescuers have so far found parts of Boeing 737 plane's wreckage and charred remains of letters, bags, wallets and identity cards  . There is no official word so far on the casualties. Recovery work has been slowed by difficult terrain. Shortly after the news of mishaps yesterday, President Xi Jinping ordered an all-out search for survivors and an investigation into safety issues in the civil aviation industry.  <br />''<br />''The crashed Boeing 737-800 was flying from Kunming to Guangzhou when it suddenly nose-dived from its cruising height of 29100 ft in the mountains in Wuzhou City in Guangxi province and caught fire. The aircraft lost contact with emergency services before "suddenly descending" around 2:19 p.m., Chinese government officials and state media reported yesterday. The cause of the crash is being investigated. According to experts, the Boeing 737-800 model has a strong safety record, with thousands in service around the world. The aircraft that crashed was a new one and has been in operation for little over six years. China Eastern Airlines, one of the nation's big three state-owned carriers, has grounded all its Boeing 737-800s.</span><br />