Source: David Jackson / USA Today
The Secret Service says a bullet hit a White House window, but was stopped by bulletproof glass.
The service also announced that it has found the bullet as well as a round of ammunition recovered from the exterior of the White House grounds.
The discoveries Tuesday came after reports of gunfire near the White House on Friday.
This has all taken place since President Obama left for a nine-day trip to Hawaii, Australia and Indonesia.
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