Xi urged the multi-billionaire to "continue to play an active role in promoting China-US economic and trade cooperation", the official Xinhua news agency said.
'There is never a justification for violence. No excuses, no exceptions: America is a nation of laws,' he said.
The ministry did not specify if the signal was detected from the downed plane's black box.
The Sriwijaya Air Boeing 737-500 plunged into a steep dive about four minutes after it left Soekarno-Hatta international airport in Jakarta on Saturday afternoon.
'One of the few things he and I have ever agreed on,' Biden said. 'It's a good thing, him not showing up.'
British Prime Minister Theresa May was among the EU leaders who gathered in Brussels to discuss the future leadership of the bloc, but Tusk said Brexit was not discussed.
Kushner, who will join up with Trump in London after going to the Middle East, has been evasive about the US plan, which has been shrouded in secrecy.
"O'Neill's departure has the potential for a wholesale shift in the policy direction taken by PNG's government," said Jonathan Ritchie of Melbourne's Deakin University.
The army ousted Bashir in April after months of protests against his autocratic rule, including a sit-in by tens of thousands of protesters outside Khartoum's military headquarters.
Nechirvan Barzani is the second person to hold the office of president, occupied by his uncle from its creation in 2005 until late 2017 when he quit following an independence referendum hotly opposed by Baghdad.
