PARKLAND, Fla. (FOX News) - A shooting at a high school in Parkland, Florida, involved "at least 17 victims" and many were feared dead, officials said Wednesday, adding that the suspect -- believed to be a former student -- was in custody.
The shooting suspect was identified as Nicholas Cruz, a U.S. official told The Associated Press.
Marjory Stoneman Douglas High School was under lockdown as police rushed to the scene.
The young man believed to be the suspect was wearing a maroon shirt as police led him off to a squad car. Video provided to WSVN appeared to show officers cuffing the suspect in the grass.
Broward County Sheriff Scott Israel said the suspect was taken into custody "without incident" and was "not a current student" at the school.
The high school scene was still being cleared, he added, to ensure no other threat remains. Parkland is about 50 miles north of Miami.
According to WSVN, the Margate Fire Rescue team described the scene as a mass casualty incident, meaning at least 20 people had been injured.
Dispatch at the Broward County Sheriff's Office confirmed the school was on lockdown and police were on location.
Coral Springs Police asked the public to avoid the area of Marjory Stoneman Douglas High School in Parkland, saying it was an active scene.
Authorities also said students and teachers should remain barricaded in the school until they could be reached by police.
According to WSVN, the Margate Fire Rescue team described the scene as a mass casualty incident, which reportedly means at least 20 people were injured.
A number of students were seen walking or running from the area, the outlet said.
Governor Rick Scott said on Twitter that he'd spoken to the Broward Sheriff Scott Israel, as well as other officials, in regards to the incident and will "continue to receive updates from law enforcement."
The FBI is also in touch with local authorities and responding to the incident, Fox News confirmed.
Fox News' Jake Gibson contributed to this story.
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