Mass Casualty Incidents
As the military saying goes, 鈥淧rior planning prevents poor performance.鈥� This phrase can be applied to preparing for mass casualty incidents. Check this page for articles and resources on ensuring you and your department are ready for the unexpected, as well as the latest updates on major incidents in the United States and across the world.
What the 2005 London attack teaches EMS leaders about scalable incident command and mutual-aid coordination
Explore why START triage remains a go-to system for efficient MCI response and field prioritization
Being an emergency medical technician is rewarding job, and with the right EMT training, there鈥檚 plenty of room to grow
A gunman opened fire outside Reno鈥檚 Grand Sierra Resort, killing three and injuring three more before being shot by polic
Authorities say the shooter, who left a note blaming the NFL for his alleged brain condition, entered the league鈥檚 headquarters but took the wrong elevator before fatally shooting four people and himself
Police say the lone shooter was neutralized inside a high-rise where the officer was working an off-duty security detail
Munson Healthcare in Traverse City reports improved conditions among the 11 injured, with only one still listed as serious
A 42-year-old man randomly attacked shoppers with a knife at a Walmart in Traverse City, before being tackled and detained by bystanders
Eight children at a Cambridge church concert were hospitalized with seizure-like symptoms possibly linked to cleaning fumes
A flatbed truck crashed into the Shriver Job Corps building in Devens, Massachusetts, injuring multiple people and prompting a multi-agency emergency response
A stolen Camaro crashed into a bus on I-35, causing a multi-vehicle pileup that killed four and injured 21
A vehicle slammed into a crowd outside an East Hollywood venue early Saturday, injuring 30 people, including seven critically
The blast occurred at the Sheriff鈥檚 Enforcement Bureau compound; preliminary information indicates the explosion happened while personnel were handling explosives
First responders saved more than 200 people during one of the worst engineering disasters in U.S. history
A suspected mass overdose in Baltimore鈥檚 Penn North neighborhood sent at least 25 people to the hospital Thursday, triggering a level-one mass casualty response
One man died and at least nine others were hospitalized after high levels of carbon monoxide, flammable gas and methane were found during a gas leak at a Lexington apartment complex
Three adults were killed and 10 others, including two juveniles, were injured in a shooting early on a residential street in South Philadelphia鈥檚 Grays Ferry neighborhood
Fifteen people were hospitalized after a skydiving plane crashed while attempting an emergency landing near at an airport in Gloucester County
A drive-by shooting in Chicago鈥檚 River North neighborhood left four dead and victims taken to Northwestern and John H. Stroger hospitals
A bus carrying at least 20 people overturned after hitting railroad tracks in Lancaster
High schoolers visiting Virginia Tech for a summer program fell six feet onto concrete when a utility grate gave way
Extreme heat at Paterson graduations led to 150 treated for heat exhaustion and 16 hospitalized, forcing officials to cut one ceremony short
An armed man wearing a tactical vest opened fire outside CrossPointe Community Church in Wayne, injuring one before being struck by a vehicle and fatally shot by church staff
After an EF-3 tornado struck St. Louis in May 2025, Missouri Task Force 1 deployed advanced drone technology to assist with search and rescue, assess damage, and support real-time decision-making
More than a dozen local police, fire, EMS and emergency management agencies participated in a three-day federally funded active shooter training in Clark County
The Oakland County Sheriff鈥檚 Office and Rochester Hills Fire Department were recognized for their swift actions after the 2024 splash pad shooting that wounded nine, including three children
Melissa Hortman, a former House Speaker, and her spouse were shot and killed in their home; a second state lawmaker, Sen. John Hoffman and his wife, were shot multiple times
Nearly a decade after 49 lives were lost in the 2016 massacre, survivors and victims鈥� families are returning to the shuttered Orlando club for a final visit
Four children were among nine injured when a drunk driving suspect drove into an outdoor seating area at a busy Fort Myers taco stand
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