Wireless Emergency Alert testing this morning

See this tweet:

D.C. will be testing its Wireless Emergency Alert TOMORROW, Thur, April 5, between 10-11am. Your phone will buzz (loudly). Cell phones & mobile device located in DC will receive a test message reading “A test of the District of Columbia Wireless Alert System. No action required.” pic.twitter.com/VpGkrIkBk6

— CM McDuffie's Office (@CM_McDuffie) April 4, 2018