Clark County is a county located in the U.S. state of Nevada, which also comprises the Las Vegas-Henderson-North Las Vegas, NV Metropolitan Statistical Area. The land area of Clark County is 8,061 square miles (20,880 km2), or roughly the size of New Jersey. As of the 2020 census, the population was 2,265,461. Most of the county population resides in the Las Vegas Census County Divisions, which has 2,196,623 people as of the 2020 Census. It is by far the most populous county in Nevada, and the 11th-most populous county in the United States. It covers 7% of the state's land area but holds 73% of the state's population, making Nevada the most centralized state in the United States.
Henderson is a city in Clark County, Nevada, United States, about 16 miles (26 km) southeast of downtown Las Vegas. It is the 2nd most populous city in Nevada, after Las Vegas, with an estimated population of 320,189 in 2019. The city is part of the Las Vegas Valley. Henderson occupies the southeastern end of the valley, at an elevation of 1,864 feet (568 m).
The MGM Grand fire occurred on Friday, November 21, 1980, at the MGM Grand Hotel and Casino, located on the Las Vegas Strip in Paradise, Nevada. The fire killed 85 people, most through smoke inhalation. The fire began from a refrigerated pastry display case in one of the restaurants, located on the first floor. Fire engulfed the resort's casino, and smoke travelled into the hotel tower.
The Las Vegas Valley is a major metropolitan area in the southern part of the U.S. state of Nevada, and the second largest in the Southwestern United States. The state's largest urban agglomeration, the Las Vegas Metropolitan Statistical Area is coextensive since 2003 with Clark County, Nevada. The Valley is largely defined by the Las Vegas Valley landform, a 600 sq mi (1,600 km2) basin area surrounded by mountains to the north, south, east and west of the metropolitan area. The Valley is home to the three largest incorporated cities in Nevada: Las Vegas, Henderson and North Las Vegas. Eleven unincorporated towns governed by the Clark County government are part of the Las Vegas Township and constitute the largest community in the state of Nevada.
The Las Vegas Metropolitan Police Department is a combined city and county law enforcement agency for the City of Las Vegas and Clark County, Nevada, United States. It is headed by the Sheriff of Clark County, who is publicly elected every four years. The sheriff is the only elected head law enforcement officer within the county, and, as such, the department is not under the direct control of its jurisdictional cities, Clark County, or the State of Nevada.
On May 4, 1988, a fire followed by several explosions occurred at the Pacific Engineering and Production Company of Nevada (PEPCON) chemical plant in Henderson, Nevada. The disaster caused two fatalities, 372 injuries, and an estimated $100 million of damage. A large portion of the Las Vegas Valley within a 10-mile (16 km) radius of the plant was affected and several agencies activated disaster plans.
A FEMA Urban Search and Rescue Task Force is a team of individuals specializing in urban search and rescue, disaster recovery, and emergency triage and medicine. The teams are deployed to emergency and disaster sites within six hours of notification. The Federal Emergency Management Agency (FEMA) created the Task Force concept to provide support for large scale disasters in the United States. FEMA provides financial, technical and training support for the Task Forces as well as creating and verifying the standards of Task Force personnel and equipment.
The Miami-Dade Fire Rescue Department (MDFR) provides fire protection and emergency medical services to the unincorporated parts of Miami-Dade County, Florida, along with 30 municipalities located within the county. In all the department is responsible for 1,883 square miles (4,880 km2) of land.
The Oakland Fire Department (OFD) provides fire protection and emergency medical services to the city of Oakland, California. The department is responsible for 78 square miles (200 km2) with a population of 406,253.
The Miami Fire-Rescue Department, also referred to as the City of Miami Department of Fire-Rescue, provides fire protection and emergency medical services for the city of Miami, Florida. The department is notable for being the first in the nation to equip all apparatus with two-way radios, as well as being the first to use fog nozzles.
Urban Search and Rescue California Task Force 2 or CA-TF2 is a FEMA Urban Search and Rescue Task Force based in Los Angeles County, California. CA-TF2 is sponsored by the Los Angeles County Fire Department.
Urban Search and Rescue Florida Task Force 1 (FL-TF1) is a FEMA Urban Search and Rescue Task Force based in Miami-Dade County, Florida and sponsored by the Miami-Dade Fire Rescue Department. The mission of FL-TF1 is to respond to natural and man-made disasters to provide search and rescue as well as both medical and communications support.
Urban Search and Rescue Pennsylvania Task Force or PA-TF1 is a FEMA Urban Search and Rescue Task Force based in the Commonwealth of Pennsylvania.
Urban Search and Rescue Virginia Task Force 1 or VA-TF1 is a FEMA Urban Search and Rescue Task Force based in Fairfax County, Virginia. VA-TF1 is sponsored by the Fairfax County Fire and Rescue Department.
Las Vegas Fire & Rescue provides fire service and emergency medical services to the city of Las Vegas, Nevada. It is the second largest fire department in the state of Nevada after the Clark County Fire Department. The Las Vegas Fire & Rescue Department is responsible for preserving life and property for a population over 600,000 in an area totaling 133.25 square miles (345.1 km2). Since 2009, the LVFRD has been one of only 9 fire departments in the United States that is accredited by both the Insurance Services Office (ISO) and the Commission on Fire Accreditation International (CFAI).
The North Las Vegas Fire Department is the agency that provides fire protection and emergency medical services for the city of North Las Vegas, Nevada. All 911 calls go through the multi-agency Fire Alarm Office (FAO) located at the Las Vegas Fire & Rescue Department Headquarters. The Fire Alarm Office serves as dispatch for the NLVFD as well as the Clark County Fire Department and the Las Vegas Fire & Rescue Department. The use of Computer-aided dispatch allows for the determination of the nearest unit, even if that unit responds from a neighboring department. Thus an engine from the Clark County Fire Department may respond into North Las Vegas mutual aid as the system determines that they are closer.
The Henderson Fire Department (HFD) is the agency that provides fire protection and emergency medical services for the city of Henderson, the second largest city in Nevada with 336,534 residents spread out over 105.4 square miles (273 km2).
The Phoenix Fire Department provides fire protection and emergency medical services for the city of Phoenix, Arizona. The department responded to 186,594 calls during 2014–2015, with 88% being for emergency medical services. The Phoenix Fire Department currently protects 1.5 million residents spread across an area of 520 square miles (1,300 km2).
On April 17, 2013, an ammonium nitrate explosion occurred at the West Fertilizer Company storage and distribution facility in West, Texas, United States, while emergency services personnel were responding to a fire at the facility. Fifteen people were killed, more than 160 were injured, and more than 150 buildings were damaged or destroyed. Investigators confirmed that ammonium nitrate was the material that exploded. On May 11, 2016, the Bureau of Alcohol, Tobacco, Firearms and Explosives stated that the fire had been deliberately set. That finding has been disputed.
The following is a timeline of the history of the city of Las Vegas, Nevada, United States.
United States 
Nevada 
