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Authorities shot dead a suspect who was believed to have shot a Forsyth County, Georgia, sheriff’s deputy in the leg inside the Forsyth County courthouse. The deputy is expected to survive.

Sheriff Duane Piper told Atlanta ABC affiliate WSB-TV that the incident occurred Friday morning at the administration building in Cumming, and that the courthouse square remained closed off because authorities were investigating whether there were explosive in the courthouse.

Witnesses told Atlanta Fox affiliate WAGA that a nearby church was also on lockdown.