Helicopter footage shows that police in Broward County, Florida, have arrested one man, the Sydney Morning Herald reports, after Marjory Stoneman Douglas High School, Parkland, went into a “code red” lockdown.
Local police force Coral Springs Police kept students and parents updated via Twitter, as did many of the students barricaded inside:
Students were seen exiting the building with hands raised above their heads, 7 News reorts, with others being taken directly to ambulances.
The FBI is responding to the incident.