Trick or Treat will be celebrated this Thursday from 6-8pm in all of the Blair County Municipalities. This will include Hollidaysburg Borough who previously had selected a different date. The police agencies of Blair County remind parents to walk with small children, and wear visible clothing. Parents are also reminded to inspect all candy before allowing children to eat any, if anything is observe to be suspicious notify your local police agency. Motorists are reminded that with the high volume of pedestrian traffic, extreme caution is recommended to avoid any injuries.