More than 40 Dallas police units have responded to North Dallas High School in Uptown on Tuesday morning, though little information is known.
Police started to respond to the school in the 3100 block of North Haskell Avenue around 7:56 a.m., according to Dallas police active call records.
Police began moving children away from the school and searching the building around 8 a.m., approximately an hour before school was scheduled to open, according to Dallas police audio dispatches.
As of 9:20 a.m., more than a dozen uniformed officers stood outside on the school’s concrete steps, moments after a police dog was led inside.
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Several patrol cars, their lights flashing, were scattered along neighboring streets. Access to the school, which sits off of McKinney Avenue, was blocked off by police motorcycles as far out as Cityplace West Boulevard.
Neither police nor Dallas ISD has immediately responded to why officers are present at the DISD campus. Streets near the school may be blocked due to the current response.
This is a developing story.