Update: Two Georgetown Schools Among those Affected by Suspicious Powder in Letters

Updated 5:40 p.m.

Beginning just after 1 p.m. today a series of suspicious package notices for local schools were reported to local authorities. As the afternoon wore on more than a 25 letters with suspicious white powder were sent to schools throughout D.C., including and ; was not affected according to Principal Dana Nerenberg.

At a press conference this evening Mayor Gray said "all of our children are safe" and that no one has been harmed.

The FBI is investigating the incidents and is reporting no hazards so far at any of the locations.

"We don't know yet what it is," said FBI Washington Field Office director James McJunkin about the suspicious powder, which in some cases has been reported to be corn starch.

D.C. Fire and EMS is reported that its Special Operations Haz Mat teams continued to handle calls city-wide at DC schools throughout the late afternoon. No students were in danger and no hazards have been identified.

In some instances the substance in the packages was cornstarch. The FBI is taking the packages for further investigation and taking names of people who were exposed to these envelopes.

The schools that have been identified so far are located at Ballou High School, Bunker Hill, Duke Ellington, Eaton ES, Hardy MS, Houston ES, Lafayette ES, Marie Reed, Peabody ES, Phelps Jrhs, Powell ES, Ross ES, Ronald Brown MS, and Terrell ES among others not yet identified.