Core Points - A 13-year-old boy in the U.S. was arrested for illegal possession of firearms and other charges, with police discovering 23 guns and ammunition at his home [1][3] - The boy's social media posts indicated intentions of violence, including photos of himself with guns and videos mimicking past school shooters [3] - Investigators found magazines inscribed with references to mass shooting events and a crude sketch resembling a past shooter [3] - Police expressed concern that the boy was prepared to carry out a mass shooting, although specific targets were not identified [3] - The boy's parents are under investigation for potential charges related to improper gun storage [3] - The boy has not been enrolled in any school since 2021 and pleaded not guilty to five charges during his court appearance [3] - The boy's mother claimed that his social media activity was an attempt to appear "cool" among peers and not indicative of harmful intent [3]

Core Points - A shooting incident occurred at a church school in Minneapolis, Minnesota, resulting in three deaths, including the shooter and two children, and 17 injuries [1] - The shooter, Robin Westman, used multiple legally purchased firearms, including a rifle, shotgun, and handgun, before committing suicide [1] - The FBI is investigating the incident as a case of domestic terrorism and hate crime, with indications that the shooter had previously graduated from the targeted school [5] Group 1 - The shooting took place around 8:30 AM during a morning mass, where the shooter fired from a church window at students [1] - Two children aged 8 and 10 were killed, while 14 others aged 6 to 15 were injured, along with three elderly individuals attending the mass [1] - The shooter had no prior criminal record and acted alone, with a disturbing video declaration posted online prior to the attack [5] Group 2 - A 10-year-old survivor recounted the terrifying moment, describing how he hid under a bench while his friend attempted to protect him but was shot [2] - The school conducts monthly drills for active shooter situations, but they had not practiced in the church setting [4] - President Trump ordered flags to be flown at half-staff in mourning for the victims, highlighting the ongoing issue of gun violence in the U.S. [6]