当局称，周四下午，马里兰州史密斯堡一家工厂发生枪击事件，造成三人死亡，一人重伤。

当局称，枪手在随后与州警察的枪战中受伤。

华盛顿县警长办公室表示，下午2点30分左右，他们接到哥伦比亚机器公司一名活跃枪手的报告，并找到了受害者。

警长办公室表示，被指控的枪手已经逃离现场，并根据对嫌疑人的描述，在附近的黑格斯敦被马里兰州警方逮捕。

警长办公室说，嫌疑人和一名州警交火，两人都受伤并被送往医院治疗。

警长办公室说两个现场使用的武器都是半自动手枪。

死者被确认为马克·艾伦·弗雷，50岁;华盛顿郡治安官办公室说，31岁的查尔斯·爱德华·明尼克和30岁的约书亚·罗伯特·华莱士。

第四名受伤的受害者被确认为42岁的布兰登·蔡斯·迈克尔。

当局称，嫌疑人是一名居住在西弗吉尼亚州的23岁西班牙裔男子，目前仍被拘留，在提出指控之前，他的身份不会公布。

华盛顿郡治安官办公室表示:“没有证实这起事件对社区构成积极威胁。”。

联邦调查局和酒精、烟草、火器和爆炸物管理局正在协助调查。

华盛顿县警长发言人Carly Hose中士表示，据称的枪手是一名男子，但没有公布关于嫌疑人或可能动机的其他信息。

Hose无法确认嫌疑人或受害者的就业状况。

哥伦比亚机器制造混凝土产品设备。史密斯堡位于华盛顿特区西北约70英里处

3 dead, 1 injured in shooting at Maryland factory: Sheriff

Three people are dead and one critically injured after a shooting at a factory in Smithsburg, Maryland, Thursday afternoon, authorities said.

The alleged gunman was wounded in an ensuing shootout with state police, authorities said.

The Washington County Sheriff’s Office said it responded to reports of an active shooter at Columbia Machine at around 2:30 p.m. and found the victims.

The alleged shooter had fled the scene and was apprehended by Maryland State Police in nearby Hagerstown based on a description of the suspect, the sheriff's office said.

The suspect and a state trooper exchanged gunfire, and both were injured and transported for medical treatment, the sheriff's office said.

The sheriff's officesaidthe weapon used at both scenes was a semi-automatic handgun.

The deceased victims were identified as Mark Alan Frey, 50; Charles Edward Minnick Jr., 31, and Joshua Robert Wallace, 30, the Washington County Sheriff's Office said.

The fourth victim who was injured was identified as 42-year-old Brandon Chase Michael.

The suspect, whom authorities said was a 23-year-old Hispanic man who lives in West Virginia, remains in custody, and his identity will not be released until charges are filed.

"There is no confirmed active threat to the community in relation to this incident," the Washington County Sheriff's Office said.

The FBI and Bureau of Alcohol, Tobacco, Firearms and Explosives are assisting in the investigation.

Washington County Sheriff spokesperson Sgt. Carly Hose said the alleged shooter is a man, though no additional information on the suspect or a possible motive was released.

Tim Jacobsen/AP

Law enforcement stages near the scene of a shooting at Columbia Machine, Inc., in Smit...

Hose could not confirm the employment status of the suspect or victims.

Columbia Machine manufactures concrete products equipment. Smithsburg is about 70 miles northwest of Washington, D.C.