Senators were told those offices would be temporarily shut down "to make sure they get everything squared away, " McCaskill, D-Missouri, said Tuesday afternoon.

CNN: SHARE THIS

Senators were told the post office would be temporarily shut down "to make sure they get everything squared away, " McCaskill, D-Missouri, said Tuesday afternoon.

CNN: SHARE THIS

Senators were told Tuesday that the mail facility would be temporarily shut down "to make sure they get everything squared away, " McCaskill said Tuesday afternoon.

CNN: Ricin scare rattles Washington