According to a report by Hawaii News Now, while the subject line of the emails was enough to terrify anyone, the content did mention that a nuclear attack was an "unlikely event".
For Hawaii, however, planning for the possibility of a North Korean missile attack, however remote, has become a new freaky norm with missiles from the rogue nation now capable of reaching the Aloha State and its high-ranking military commands.
"In light of concerns about North Korea missile tests, state and federal agencies are providing information about nuclear threats and what to do in the unlikely event of a nuclear attack and radiation emergency", the UH email said.
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Meanwhile ex-President Barack Obama and his wife Michelle have joined the growing public condemnation. Weinstein was a big donor to the Democratic party under Mr Obama's leadership.
Officials feared another missile or nuclear test was possible on Monday or Tuesday, as North Korea celebrated the anniversaries of its first nuclear test and the foundation of the ruling Worker's Party of Korea.
The unusual nature of a university system alerting its constituency to the possibility of a North Korean attack attracted the attention of national and global media, including The Washington Post, Fox News, CBS News and the Daily Mail of London.
"There's one thing the U.S. Army can do, and that is you have got to be ready to ensure that we have military options that our President can employ if needed", Mattis said, adding that diplomacy is still the priority. "And today I did the complete opposite ... the subject line was a mistake and my mistake alone".
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Despite the national attention, the email didn't generate a large number of complaints from students or faculty, Meisenzahl said.
The EU will introduce a ban on the sale of natural gas liquids to the DPRK and on the importation of its textiles, the Council of the EU said in a statement.
North Korea's leadership has told Russian lawmakers that it possesses a ballistic missile with a range of 3,000 kilometers (1864.11 miles) that will be able to reach United States territory after modernization, the Interfax news agency reported on Tuesday.
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Like a Facebook or Twitter post, fans can also like each other's comments and those that the singer drops in. The Swift Life marks the first real diversion from that model as the company saw steep losses in 2016.