Spurred on by the Parkland, Florida school shooting, thousands students, teachers, parents and concerned citizens rallied in Philadelphia for stricter gun control laws on March 24, 2018.

The rally was part of the nationwide March for Our Lives protest. The movement began after the Feb. 14 shooting at Marjory Stoneman Douglas High School in Parkland that resulted in the death of 17 people.

In Philadelphia, the crowd of 15,000 (an estimate from event organizers according to Philly.com) were joined by Senator Bob Casey and state Attorney General Josh Shapiro.

The marchers carried signs that advocated for gun control and the weakening of the lobbying power of the National Rifle Association. They were of all ages and ethnicities, with the youngest spotted being an infant carried by its mother. Taped to the baby's back was a sign that read "Marching for my life before I can walk!!"

As they walked down Front St. in Philadelphia, protesters were encouraged to register to vote.

You can see photos from the march in the gallery at the top of this article.

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Listen to four teens speak about why they joined the March for Our Lives in the Facebook Live below. The students begin speaking around the 4:15 and 5:30 mark.

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Want to see more of the march? You can watch the video below for scenes from the day's events.

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Philadelphia is one of many cities where a March for Our Lives rally is happening. Follow our live updates page for complete coverage of the march.

Want more stories about Philly? Click here for all our coverage of the City of Brotherly Love.

This story has been updated to include a crowd estimate figure from event organizers.