White Powder Found in Letter in West Palm BeachWEST PALM BEACH, Fla. (AP) — Authorities are trying to determine whether any dangerous substance was contained in a white powder found in a letter at the Palm Beach County State Attorney's Office.

More From CBS Tampa

Report: Black Bears 'Robust and Growing' in FloridaWildlife officials say an analysis confirms Florida's black bear population is "robust and growing."
Contest: ‘Frequency’ & ‘No Tomorrow’ Advanced ScreeningCW44 will choose 44 viewers to watch am advanved screening of both 'Frequency' and 'No Tomorrow' on Thursday, September 29!
How To Get Through Airport Security As Quickly As PossibleWith more people flying than ever before, it’s not surprising to see reports of long lines of people waiting in airport security lines...

Listen Live