"Written threat" at Lockport High School determined to be non-credible

BUFFALO, N.Y. (WIVB) -- The Lockport City School District says a "written threat" that caused students and staff to evacuate on Friday afternoon was determined to be non-credible.No safety concerns were found, the district said.Lockport High School was evacuated shortly before dismissal Friday following a written threat found in one of the classrooms, according to Lockport City School District Superintendent Mathis Calvin III.The threat was written on a piece of paper and found on the floor just