On 22 June 2024, at approximately 1430 hours local time, the Baker County Sheriff's Office (BCSO) received a report of a fire near Highway 86 and Grey Eagle Mine Road. Baker Rural Fire Rescue, North Powder Rural Fire Protection District, Keating Rural Fire Protection District, and Lookout-Glasgow Rangeland Fire Protection Association responded and extinguished the blaze. BCSO deputies investigated the scene and spoke with two male teenagers, who admitted to throwing a pyrotechnic device, described as a smoke bomb, into dry grass, igniting the fire.

On 20 June 2024, at approximately 0930 hours local time, hospital security staff requested assistance from an off-duty Saint Paul Police Department officer to assist with a man who parked a vehicle outside the hospital entrance and was talking with security staff. Security alerted police to the possibility of improvised incendiary devices (IIDs), described as Molotov cocktails, in the vehicle. The officer looked in the vehicle and saw a bucket of containers with an unknown fluid and rags stuffed in the top, alongside a crossbow and an arrow.

On 25 June 2024, at approximately 1400 hours local time, DC Fire and Emergency Medical Services firefighters responded to a two-alarm fire at an apartment complex in the 2600 block of Bowen Road, SE. Firefighters extinguished the blaze, which had engulfed two buildings, and rescued one resident, who sustained non-life-threatening injuries. One firefighter was reportedly taken to the hospital for heat exhaustion. In total, 76 people were displaced due to the incident.

On 1 June 2024, at approximately 0400 hours local time, an improvised incendiary device (IID) functioned under a UC Berkeley police car that was parked in front of the campus police station. The device was emplaced near the fuel tank, partially burning the police car when it functioned. The suspect believed responsible for the fire allegedly set three other fires—one on 13 June outside a campus building, a second on 16 June at a construction site on campus, and the third on 16 June on a campus hilltop.

On 24 June 2024, at approximately 1350 hours local time, Los Angeles Fire Department (LAFD) firefighters responded to a homeless encampment at 15700 W. Burbank Blvd. in Van Nuys for a half-acre of burning grass. As crews arrived, unspecified materials involved in the fire exploded, injuring 10 firefighters and critically wounding 1. The Los Angeles Police Department Bomb Squad and LAFD Arson Division responded to assist, examined the scene, and discovered what appeared to be a hand grenade and suspicious devices described as cylindrical objects.