At least 17 people were killed at Marjory Stoneman Douglas High School in South Florida in the deadliest school shooting since Sandy Hook in 2012.

Spectrum News' Florida stations have several crews in Parkland, Florida, to bring you news and pictures from the investigation, as well as where we go from here, how we and the families will endure and how we heal from the latest mass shooting to shake the nation.

We've included all of the Twitter feeds of our reporters covering this tragedy here. Follow this page for the up-to-the-minute updates.

FULL COVERAGE:

• Trump planning to visit Parkland following deadly shooting
• Students used smartphones to connect with loved ones
• Legislators express grief, condolences
• O negative blood donors needed following Broward County school shooting