Police have found no evidence of a reported shooting at a residence near Pueblo High School, officials said.
Police are still investigating the report but have not located any victims, said Sgt. Kimberly Bay, a Tucson Police Department spokesman.
A precautionary lockdown at Pueblo High School has since been lifted.
Police activity will continue in the 3600 block of South 13th Avenue, near West Ajo Way, but all roadways are open to traffic, Bay said.
No additional details were immediately available.