'Altercation' sends Harrisburg elementary school into lockdown

HARRISBURG, Pa. (WHTM) -- An "altercation" that may have involved a gun sent a Harrisburg elementary school into a lockdown Tuesday, according to the district. The incident that sent Melrose Elementary School into lockdown during dismissal did not originate on school grounds but reportedly made its way there, according to a Harrisburg School District spokesperson. [...]