Seven hospitalized after suspicious package opened at US base

Seven people were briefly hospitalized after a suspicious package containing a white powder was opened at the military base near the US capital that is home to Air Force One, the presidential jet, US media reported.

The CNN television network said initial tests of the unknown substance by a HAZMAT team found it not to be hazardous but an investigation was ongoing.

The individuals at Joint Base Andrews who were taken to hospital on Thursday were subsequently released, CNN said.

Fox News said some of them had reported experiencing headaches.

CNN, citing sources familiar with the investigation, said the package also contained what was described as "political propaganda."

"Joint Base Andrews responded to an incident here today after an individual opened a suspicious package," the base sai