Police and emergency vehicles arrived to CBS Television City in Hollywood moments ago … after someone reported that white powder spilled out of a letter in the CBS mailroom.
Law enforcement sources confirm … cops are investigating the scene.
Sources on the lot tell TMZ … the letter was NOT addressed to anyone on "Dancing with the Stars" … but so far, it’s unclear who the intended recipient was.
It’s not the first time CBS has had an anthrax scare — just last year, the studio went on lockdown when production staff found white powder in a letter addressed to Bristol Palin.
Officials also intercepted a threatening letter addressed to "Late Late Show" host Craig Ferguson just last month. The letter also contained white powder — which was later determined to be cornmeal.
read the entire article at "TMZ"
