Police say the boy found an unsecured gun after his parents allegedly left him and his siblings alone in their apartment.
Crews search for survivors and survey damage after tornadoes leave at least 6 dead in Tennessee.
In Gaza, Israeli airstrikes and ground operations are ongoing against what Israel says are Hamas targets across the strip.
The Washington County Sheriff's Office says an arrest has been made in the murder of a Fort Calhoun priest.
The woman's fetus has a fatal diagnosis, and the pregnancy also puts her own life at risk.
As the fighting continues, the humanitarian crisis in Gaza is growing.