"A birthday card to a fictional character shut down a Missouri post office for two hours on Wednesday, KMBC-TV in Kansas City reported.

A worker at the Buckner post office spotted white powder on an envelope. The office was sealed off and hazmat crews were called in to check out the situation.

"It's not every day you get a letter with white powder all over it," police Chief Charles Loring said.

The letter turned out to be a birthday card a 16-year-old fan was sending to Harry Potter in England. The teen apparently sprinkled the card with some "floo powder," which turned out to be harmless talcum powder. In the books by JK Rowling, floo powder helps wizards travel."

Can you believe they shut down a whole post office for this? That's wierd. Well, OK, maybe not, it kind of makes sence, because it couls have been something harmful.