***UPDATE April 18***
The FBI tells NBC25 News that the letter tested negative for ricin.
Additionally MMR says their two medics and Sen. Levin's staffer that were sent to the hospital from the scene have been released and are reportedly OK.
Sen. Carl Levin's office also released this statement:
â??I have been advised by the FBI that preliminary testing by the Michigan Department of Community Health, Micro-Biology Laboratory in Lansing showed negative results in the suspicious letter received by my Saginaw office. The office is open as usual this morning. I want to express my appreciation to the local, state and federal authorities who responded to this incident so quickly and professionally.â??
Covanent Hospital confirms two MMR medics have been sent to the hospital from the scene at 515 N Washington Ave. in Saginaw.
NBC25's Josh Marshall spoke with the FBI this afternoon about the evacuation and suspicious letter. Marshall also says that the Saginaw Fire Department, Police Department and HAZMAT are now leaving the scene.
The FBI told NBC25 that they are investigating and that they have no other information to share at this time.
The U.S. Postal Service has also sent investigators to 515 N. Washington and are now on scene.
Josh also reports that some employees have been allowed to get their vehicles behind the office building, however they were not allowed inside.
Sen. Carl Levin has released the following statement about the incident:
"Earlier today, a staffer at my Saginaw regional office received a suspicious-looking letter. The letter was not opened, and the staffer followed the proper protocols for the situation, including alerting the authorities, who are now investigating. We do not know yet if the mail presented a threat. Iâ??m grateful for my staffâ??s quick response and for government personnel at all levels who are responding."
*** END UPDATE***
Outgoing Sen. Carl Levin's Saginaw office was evacuated today after receiving a suspicious letter.
According to his office a staffer in Saginaw received what they perceived to be a "suspicious" piece of mail.
The staffer then contacted the authorities and the office was evacuated.
Saginaw Fire Department, Saginaw HAZMAT and Saginaw police are on scene at 515 North Washington.
According to NBC25's Josh Marshall the building has been roped off, though the street is still open at this time.
Josh also tells us that Saginaw police have entered the building.
Yesterday Sen. Roger Wicker of Mississippi had a letter addressed to his office that was laced with the poison ricin.
Today it is being reported that a letter intended for President Barak Obama was also intercepted that was considered suspicious.
Levin's office says nothing has been confirmed yet about the letter intended for the senator, however authorities are investigating at this time.
Stay with NBC25 online and tonight at 6 for more details as they become known.