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This timeline shows exactly how the Florida high school shooting unfolded

Kieran CorcoranFeb 15, 2018, 17:06 IST

Students flee the shooting at Marjory Stoneman Douglas High School in Florida.CBS News

On the afternoon of Wednesday, February 14, the deadliest US mass shooting of 2018 took place in Southern Florida.

A gunman, whom authorities suspect was 19-year-old Nikolas Cruz, returned to his old high school in the town of Parkland, on the edge of the Everglades, and started shooting.

As of Thursday morning, 17 people had been confirmed dead, and others were in hospital.

Here, moment by moment, is how the event unfolded.