Summertime heat bringing triple digit temperatures to the forecast
Follow storms on KFOR live interactive radar

ALL CLEAR: Letter with white powder not a threat at courthouse

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

UPDATE 11:40 a.m. – Officials have determined the letter opened with white powder at the Federal Courthouse downtown is not a threat.

They have given the all clear.

Streets are back open in the area.

OKLAHOMA CITY – Officials are investigating after a letter was opened with white powder inside at the Federal Courthouse downtown.

Authorities have not confirmed who sent the letter or to whom it was addressed.

They have not determined if the power is dangerous or not.

Expect traffic delays and road closures downtown.

Refresh this page and watch News Channel 4 for the latest updates.