J - Alert
The Japanese government says a North Korean missile appears to have flown over Japan...and fallen into the ocean.
Officials believe the missile was launched from a location in North Korea at about 7:22am Japan time.
They said it appeared to be a ballistic missile, and was heading towards Hokkaido and Aomori prefectures in northern Japan.
The Japanese government issued an alert through the nationwide emergency warning system, which sends information to local governments through satellites.
It told people in the areas to take shelter in sturdy buildings or underground.
At 7:46am, officials said the missile may have flown over Japan and fallen into the Pacific Ocean.
They say it appears to have fallen outside of the country's exclusive economic zone.
It's the 7th time ever that a ballistic missile has flown over Japan.
The defense ministry says it is the 23rd missile that North Korea has test-fired this year.
Officials from Japan, the US, and South Korea are monitoring the situation.
Japan's largest rail operator halted bullet train service in northern Japan as a precaution.
Transportation officials also issued a warning to air traffic around the country.