NEW YORK, March 28 (Xinhua) -- The Democratic People's Republic of Korea (DPRK) fired at least one unidentified projectile into the East Sea on Sunday, South Korea's Yonhap news agency reported, citing the country's Joint Chiefs of Staff.
Other details were not immediately available, including how many and what type of projectiles were launched.
It marked the fourth round of such launches this month, Yonhap reported.
