This just on CNN:
An envelope that tested positive for the deadly poison ricin was intercepted Tuesday afternoon at the U.S. Capitol’s off-site mail facility in Washington, congressional and law enforcement sources tell CNN.
After the envelope tested positive in a first routine test, it was retested two more times, each time coming up positive, the law enforcement source said.
The envelope was addressed to a U.S. senator, though the sources would not say which one.
This is obviously a quickly
An envelope sent to an office of Sen. Roger Wicker (R-Miss.) included a substance that has tested positive for Ricin, two sources say.