On 16 April 2024, at approximately 1610 hours local time, Greater Manchester Police; fire crews from Eccles, Agecroft, Leight, and Salford fire stations; and an Explosive Ordnance Disposal (EOD) team responded to a residence in Eccles in Greater Manchester, England, for reports of a suspicious device posted through a mailbox. EOD technicians determined the device was viable after a thorough investigation of the object and performed a controlled detonation of the device. No further information was released. 
 

On 12 April 2024, at approximately 2230 hours local time, an explosive device functioned in Ocaña, department of Norte de Santander. A 25-year-old man was injured by the blast and ultimately succumbed to his injuries. Local law enforcement speculated that the device may have been intended to destroy a surveillance camera in the area. Law enforcement further stated that an unknown male subject was seen bringing the explosive device into the area in which it functioned. No further device details were released. An investigation is ongoing.
 

On 9 April 2024, at approximately 1730 hours local time, Michigan State Police troopers conducted a traffic stop near Hickory in Prairieville Township and discovered a pipe bomb while searching the vehicle. Michigan State Police Bomb Squad technicians responded to assist and removed the device for safe disposal. Two men were arrested on previous outstanding warrants.
 

On 8 April 2024, at approximately 0414 hours local time, an unidentified suspect threw an unspecified explosive device onto the front porch of the Satanic Temple in Salem. The device functioned and caused minor damage to the porch and side of the building. No one was inside the building at the time of the event, and the incident was not discovered by staff until later that afternoon. The Salem Police Department responded to the scene and the Massachusetts State Police Bomb Squad was called in to assist. They swept the building with a K9 unit and found no other hazardous material.

On 10 April 2024, at approximately 0230 hours local time, the Cedar Rapids Fire Department responded to a fire at a barber shop in Cedar Rapids. Cedar Rapids Police Department officers assisted in the investigation and confirmed that the fire was caused by functioning improvised incendiary devices (IID) described as Molotov cocktails. The front windows of the building were broken, and the building sustained minor fire and smoke damage. The investigation is ongoing.