A man writes a message for passengers aboard a missing Malaysia Airlines plane, at a shopping mall in Petaling Jaya, near Kuala Lumpur, Malaysia. Pic: AP.

BEIJING (AP) — China is demanding that Malaysia turn over satellite data used to conclude that a Malaysia Airlines passenger jet was lost in the southern Indian Ocean with no survivors.

Among the flight’s 239 passengers, 153 were Chinese nationals, making the incident a highly emotional one for Beijing. Family members of the missing passengers have complained bitterly about a lack of reliable information and some suspect they are not being told the whole truth.

(MORE: Malaysia: Missing flight MH370 crashed in Indian Ocean)

China’s official Xinhua News Agency on Tuesday quoted Deputy Foreign Minister Xie Hangsheng as telling the Malaysian ambassador to Beijing that China wanted to know the specific facts that led Malaysia to announce Monday night that the plane had been lost.

There was no immediate response from the Malaysian side.