North Korea fired an unidentified type of ballistic missile on Sunday, South Korea’s Yonhap news agency reported, quoting the country’s military.

There were no further details.

The test adding to rising fears the rogue nation will act on its threat of targeting the U.S. with a nuclear weapon, and came as President Donald Trump met in the U.S. with his Japanese counterpart, Shinzo Abe.

—CNBC contributed to this article.