He however stopped short of calling it a genocide saying the "substance" of the issue was more important than the terms used to describe it.
He said he had an open line of communication with Aung San Suo Kyi‚ who has been widely criticised by Nobel Peace prize winners including Desmond Tutu and the Dalai Lama for the crisis in her country.
Guterres also applauded the unity shown by the Security Council on Monday in passing a resolution on North Korea. He said North Korea had to be made to comply with its international obligations through political solutions as "military action will cause devastation on a scale that will take generations to recover from".
Gueterres also signalled his concern about the increasing numbers of refugees in the Central African Republic which had reported a 37 percent increase in the number of refugees and displaced people over the last three months.