Chinese President Xi Jinping and Premier Li Keqiang Saturday order emergency measures over the missing Malaysia Airlines flight.It was expected to land in Beijing at 630 am the same day. When the plane never reached its destination, a multi-national search and rescue effort began in the Gulf and the adjacent South China Sea. Authorities began their search below the plane’s last known position.The Civil Aviation Administration of China informed by Vietnamese civil aviation authorities that Vietnam, Malaysia and Singapore conducting a joint search south of Vietnam's Tho Chu Islands. China dispatches two maritime rescue ships to the South China Sea to help in rescue work.