FILE PHOTO: Members of the U.S. trade delegation Robert Lighthizer and Steven Mnuchin arrive at a hotel in Beijing, China March 28, 2019. REUTERS/Jason Lee

(Reuters) - U.S. Trade Representative Robert Lighthizer and Treasury Secretary Steven Mnuchin spoke with Chinese Vice Premier Liu He and Minister Zhong Shan on Tuesday to continue negotiations to resolve outstanding trade issues, a U.S. official said.

“Both sides will continue these talks as appropriate,” the official said in an email, declining to provide details on what was discussed and the next steps for talks.