And while it's extremely important to inform children on safety precautions, this poster of a lockdown song hanging in a kindergarten classroom will absolutely break your heart. SEE ALSO ...

The new reality can be seen on a poster of a lockdown song that hangs in a kindergarten classroom. Social media users are calling the poster simply heartbreaking. Georgy Cohen, of Somerville ...

And while it's extremely important to inform children on safety precautions, this poster of a lockdown song hanging in a kindergarten classroom will absolutely break your heart. SEE ALSO ...