OCTOBER 10, 2006 - Posted at 1:06 p.m. CDT
LITTLE ROCK, AR - Authorities today closed off a section of the Arkansas Capitol after a threatening letter was received in the governor's office. Officials say the letter had powder inside.
The Little Rock Fire Department tells Little Rock television station KLRT that a hazardous materials team found the powder was not harmful.
Police are trying to determine who mailed the letter.
The section of the Capitol was closed starting at about 11 a.m.