This timeline shows exactly how the Florida high school shooting unfolded

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.

See Also:

• 'Everyone predicted it': Students 'joked' that Nikolas Cruz would shoot up the Florida high school

• A football coach has reportedly died after shielding a student at the deadly Florida high school shooting

• 17 killed in Florida high school shooting, sheriff says; suspect in custody

SEE ALSO: 'Everyone predicted it': Students 'joked' that Nikolas Cruz would shoot up the Florida high school