Why does North Korea keep launching missiles?
1:20
(CNN) --
North Korea has allegedly launched a suspected ballistic missile, the Japanese Prime Minister's Office reported on Twitter on Saturday.
On Tuesday, North Korea fired another missile, without warning, that flew over and past Japan, prompting Japan to warn its citizens to take shelter.
Why is North Korea firing so many missiles?
Should the West be concerned?
This is breaking news and will be updated.
Ballistic missiles North Korea
