title: Trump offers to mediate in South China Sea dispute
text: HANOI (Reuters) - U.S. President Donald Trump said on Sunday that he was prepared to mediate between claimants to the South China Sea, which include Vietnam and China.  If I can help mediate or arbitrate, please let me know,  Trump said in comments at the start of a meeting in Hanoi with Vietnam s president, Tran Dai Quang. Trump acknowledged that China s position on the South China Sea, nearly all of which is claimed by Beijing, was a problem.   I m a very good mediator and arbitrator,  he said. He also said that China was helping to resolve tensions over North Korea and added he hoped Russia would do the same.   