As more details emerge from the horrific shooting at Marjory Stoneman Douglas High School in Parkland, Florida, video from inside the building during the attack is now making its way across the internet.

In the disturbing footage below posted to Twitter, students can be seen taking cover under their desks in a locked classroom as the gunman fires round after round in the hallway:

The sheriff's department has reported that as of right now there are 14 victims being treated for injuries:

Thankfully the shooter has been captured:

Florida Gov. Rick Scott tweeted that he is in contact with law enforcement about the shooting adding that, "My thoughts and prayers are with the students, their families and the entire community."