false alarm

James Sean Shields said the Jan. 13 false alarm played a "substantial" role in triggering a near-lethal heart attack.
The commander attributed the malfunction to “a joint electronic attack” by Israel and the U.S. targeting the Syrian radar system.
David Ige said he couldn’t alert citizens to a false alarm because he couldn’t remember his social media passwords.
He didn't tell the public until 15 minutes later, because his staff handles his social media, a spokeswoman said.
It's the second major North Korea false alarm in the last week.