What to know

• Authorities say suspect among dead in house after standoff with police in Erie and there is no ongoing threatNine people, including children, died in a mass murder on Friday in Erie, Pennsylvania, after a gun-wielding attacker opened fire outside a home and th...S1
• Nine people were killed Friday in a shooting in Erie, Pennsylvania, Gov. Josh Shapiro said Saturday. Police said the suspected shooter was also dead.S2
• 9 dead after shooting in northern PennsylvaniaS3