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Inglewood: On 10 April 2026, at approximately 1000 local time, the California Highway Patrol, Los Angeles County Fire Department, and the LACSO Bomb Squad responded to the 405 Freeway near Century Boulevard after a grenade was found on the road. All lanes were closed and a perimeter was established. The device was rendered safe, and the scene cleared roughly two hours later.
Lacey's Spring: On 8 April 2026, the Morgan County Sheriff’s Office responded to a residence on Husky Mountain Private Drive after a grenade was found in a topsoil delivery. The Huntsville Police Bomb Squad was contacted and secured the device.
Sudbury: On 8 April 2026, the Massachusetts State Police Bomb Squad responded to a private residence after a large jar of picric acid was discovered. Because the acid was degraded and potentially unstable, it was overpacked and transported to a separate location for safe disposal. It was unclear how long the substance had been in the home.
Pittsburgh: On 8 April 2026, at around 1130 local time, Pittsburgh Police and the bomb squad responded to the 500 block of East Ohio Street after a grenade was found on the porch of a local residence. Nearby residents and businesses were evacuated. The device was determined to be an inert training grenade. The area was declared safe around 1215 local time.
Cape Coral: On 7 April 2026, the Cape Coral Police Department Headquarters and nearby streets were temporarily closed after a citizen brought in an old grenade for disposal. The Lee County Sheriff’s Office Bomb Squad determined the grenade was inert and posed no threat. Operations resumed shortly after.
Arkoma: On 7 April 2026, the Arkoma Police Department responded to a house fire on State Line Road. After extinguishing the fire, officers arrested a 46-year-old male suspect. Inside the home, officials located two incendiary devices, one of which partially “sparked and incinerated” during bomb squad examination. As a precaution, Arkoma High School students were evacuated to the elementary campus. The devices reportedly contained everyday materials with built in shrapnel and BBs.
Eugene: On 7 April 2026, at approximately 0643 local time, Eugene Police responding to a noise complaint encountered a 26 year old male in the passenger seat of a car. The suspect fled into an apartment but was taken into custody. A search of the vehicle recovered two improvised explosive devices. The Metro Explosives Disposal Unit cleared the vehicle and took possession of the devices. Officers also found a firearm and suspected narcotics.
Carmichael: On 6 April 2026, at approximately 1200 local time, Sacramento Sheriff’s Office EOD technicians, North Patrol deputies, and U.S. Air Force personnel responded to a residence on Marconi Avenue after a juvenile digging in the yard discovered a live 81mm mortar. EOD technicians confirmed the device was live and coordinated with USAF for removal and destruction.
Burbank City: On 6 April 2026, at approximately 0700 local time, Burbank Police responded to the Burbank Recycle Center at 500 South Flower Street for a suspicious device resembling an artillery shell found on a conveyor belt. Officers established a multiblock perimeter. The Los Angeles County Sheriff’s Department Arson and Explosives Detail examined the device with specialized tools and a robot, determining it did not contain explosive material. Around 0850, the area was declared safe and roads were reopened. The origin of the device remains under investigation.
Troy: On 5 April 2026 at approximately 2315 local time, emergency responders were called to a residence on West Kirsch Road following reports of a fire and explosions, with individuals trapped inside. Four victims were located—three deceased and one seriously injured. The FBI, ATF, Illinois State Fire Marshal, Madison County Sheriff’s Office, and Coroner’s Office responded. Witnesses reported that a family member had been making fireworks in the garage. Authorities planned controlled detonations of additional devices at two locations southeast of Troy.