"North Korea fired four projectiles believed to be short-range ballistic missiles off its southeast coast Thursday," South Korea's Yonhap News Agency reports, citing a "South Korean defense ministry official" as its source.
On the NPR Newscast: Peter Kenyon reports from Kiev
We're adding updates throughout this post as the day continues.
Tensions continue to rise in Ukraine, where months of public protests led last week to the downfall of President Viktor Yanukovych's government. His opponents are now installing pro-Western ministers to replace the pro-Russian leaders who worked for Yanukovych. The interim government is expected to be in charge at least until new elections can be held, perhaps in late May.