Tuesday (April 12) in Lansing, advocates came together to demand action on a string of gun safety fills looking to keep firearms out of children’s hands.

Astrophysicist Neil deGrasse Tyson attends the IMAX exclusive experience for "Jurassic World: Fallen Kingdom" at AMC Loews Lincoln Square IMAX on June 20, 2018, in New York City. (CNN) - Neil deGrasse Tyson is facing backlash online after he tweeted about gun deaths over the weekend. 200+ Americans died from gun violence in the past 48 hours," author and gun control activist Shannon Watts responded. Many other people mentioned that the other causes he listed were being researched or had reliable preventative measures that could be taken such as vaccines, while gun violence remains an unsolved issue. The remarks come just days after deGrasse Tyson's return to television following accusations of inappropriate behavior.