North Korea has fired another missile over Japan in its seventh projectile test in just a fortnight.
The move, thought to be tied to an upcoming visit to Thailand by US Vice President Kamala Harris, happened days after residents in Japan were told to take shelter amid the first project test in five years.
And the unspecified ballistic missile landed outside Japan's Exclusive Economic Zone (EEZ), according to the South Korean Coast Guard.
The EEZ is Japan's protected border zone stretching from Tokyo Bay to the Izu and Ogasawara Islands.
The launch was made moments ago - early on Sunday in its local time - but South Korea's Joint Chiefs of Staff gave no further details, such as how far the weapon flew.
The Japanese government also says North Korea has fired a possible ballistic missile.
But the launch is North Korea's sixth round of weapons tests in two weeks, and came hours after the United States and South Korea wrapped a new round of naval drills off the Korean Peninsula's east coast.
The drills involved a US aircraft carrier.
North Korea's military warned Saturday that the U.S. redeployment of the aircraft carrier near the Korean Peninsula is causing a "considerably huge negative splash" in regional security.
Japanese military drills are also set to take place over the coming days, further encouraging North Korea's saber-rattling.
Pyongyang typically fires the missiles almost straight up into the air - limiting their range so that they land only a short distance off the coast.
Prime Minister Fumio Kishida condemned the fifth launch last week and called North Korea's actions "barbaric."
He noted that the government would continue to gather and analyse information.
