Officer shot in Baltimore. Sounds like they are prepping for something large.

They said all 3 to 11 officers and police officers must report to the staging area after a Signal 13.

#BREAKING: #Baltimore County Police say Officer shot in Perry Hall near Bel Air Rd. We’re on our way. @FOXBaltimore will bring you the latest.

Sounds like they may have the location of the perps per scanner.

BREAKING: Baltimore County Police Officer Shot in Perry Hall