A spokeswoman for Alaska Gov. Sarah Palin says a letter containing a suspicious white powder was intercepted in the state capital of Juneau, AP reported.
Palin spokeswoman Sharon Leighow says the letter was addressed to Palin's predecessor, Gov. Frank Murkowski.
Similar suspicious mailings were addressed to seven other governors this week.
Leighow says the letter received in Juneau had a Texas postmark, but couldn't say whether it came from Dallas, as the other letters did.
An FBI spokesman in Alaska says the powder is being tested.
Letters containing white powder have also been sent this week to governors' offices in Alabama, Michigan, Minnesota, Mississippi, Missouri, Montana and Rhode Island.
In those seven cases, tests showed the powder wasn't dangerous.