MEMPHIS, Tenn. -- Multiple schools across Memphis and Shelby County are on lockdown Wednesday due to threats. Memphis Shelby County Schools told parents, "We are aware of a threat to several of our schools. As a precautionary measure, please do not go to your child's school as law enforcement is actively investigating. We will provide updates as necessary." The Shelby County Sheriff's Office posted this to social media: "This morning, multiple threats were made against multiple Memphis Shelby County Schools within Memphis and unincorporated Shelby County. The Shelby County Sheriff’s Office, in partnership with Memphis Shelby County Schools and local law enforcement, is focused on ensuring the safety of all students and faculty. We ask that parents refrain from coming to the schools to pick up their children while we investigate these threats. Your cooperation is appreciated." Germantown Police also said they were responding to Germantown High School and other schools in the city: "We are aware of the threat and current lockdown at Germantown High School. Officers are working with the Shelby County Sheriff's Office and the Department of Homeland Security to determine the legitimacy of the threat. We a have large contingent of personnel at the school and we will remain on-site out of an abundance of caution. In addition to Germantown High School, we have deployed additional officers to schools throughout Germantown for the remainder of the day." 📡 See more breaking news, local news and weather from WREG.com for Memphis and the Mid-South. 📧 Sign up for WREG newsletters and have the latest top stories sent right to your inbox. WREG will update this story as we get more information.