Chicago: On 13 June 2026, around 0045 local time, the Chicago Police Department Bomb and Arson Unit responded to a firework explosion in front of the private residence of a city alderman in the Lower West Side in Chicago, IL. Police identified, through video surveillance, two male suspects driving an SUV. One of the male suspects exited the vehicle and ignited a firework directly in front of the alderman's home. Both suspects then departed in the SUV. The explosion shattered a window on the home, but no injuries were reported. The investigation remains ongoing.

Los Angeles: On 9 May 2026, around 0535 local time, the Los Angeles Fire Department Hazmat team and the Los Angeles Police Department Bomb Squad responded to a fireworks explosion in the garage of a private residence located on South 9th Avenue in the Jefferson Park neighborhood of Los Angeles, CA. The explosion shook the neighborhood and caused one fatality and two injuries. After the fire was extinguished, the bomb squad cleared the area and found a large quantity of fireworks, including mortar-style fireworks. The remaining fireworks were removed.

Boston: On 27 June 2026, at approximately 1030 local time, a 29-year-old male suspect boarded the commuter rail train at North Station on Canal Street in Boston, MA, and made comments about making bombs and giving them to terrorist groups and the homeless. Transit Police responded and observed the suspect with a suspicious device, an electric towel warmer with wires protruding, and an electric scooter with a bag attached; they requested support from a Hazardous Device Technician (HDT).

Indianapolis: On 25 June 2026, the Transportation Security Administration (TSA) identified two live smoke grenades in checked baggage at the Indianapolis International Airport on Col. H. Weir Cook Memorial Drive in Indianapolis, IN. The smoke grenades were discovered during routine screening in the checked baggage of a traveler, including one that was hidden in a jar full of peanut butter. TSA questioned the traveler who admitted to attempting to travel with the smoke grenades and claimed a friend had told him the peanut butter would enable him to conceal the grenade.

Middletown: On 24 June 2026, around 1330 local time, the Butler County Sheriff's Office (BCSO) Bomb Unit responded to a cannonball discovered at a private residence in Middletown, OH. The property owner found the cannonball while digging at the base of an old oak tree located on their property. The BCSO Bomb Unit determined that the item was a 4.75-inch diameter solid-shot cannonball, weighing approximately 7.8 pounds, and believed to be historical memorabilia. The bomb unit removed the cannonball from the property.