The Harvard Institute of Politics will hold an event later this month with students who survived February’s mass shooting at a South Florida high school.

The event — called #NEVERAGAIN: How Parkland Students are Changing the Conversation on Guns — will feature students from Marjory Stoneman Douglas High School, including Emma Gonzalez, David Hogg and Cameron Kasky.

It is scheduled to be held on March 20. People who want to attend are invited to enter a lottery.

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Students who survived the shooting, which left 17 dead, have been demanding that lawmakers take action to prevent future school shootings.

Survivors have also planned the March for Our Lives later this month in Washington, D.C., where they plan to rally against gun violence. 

President Trump in recent weeks has been discussing with lawmakers steps to take to make schools safer.

The White House on Sunday unveiled a series of proposals on school safety and gun restrictions, including a push for states to provide firearms training for school staff members.