Investigators in Maryland are scouring three states for the "armed and dangerous" person who attacked a pregnant woman during a terrifying home invasion.

The unidentified person was one of several people involved in the break-in at an apartment complex in Cecil County, Maryland State Police said in a news release.

Police are searching for this person, who is considered "armed and dangerous."

Police are searching for this person, who is considered "armed and dangerous." (Maryland State Police)

The person, along with three others, "brandished handguns and violently assaulted a pregnant woman inside her apartment before fleeing the scene," according to officials.

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Investigators do not believe the attack was a random act of violence, and are searching throughout Maryland, Pennsylvania and Delaware for the home invader.

Anyone with information is urged to contact Maryland State Police at 410-996-7814 or 410-996-7800.