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MADISON, Wis. — Thousands of Wisconsin students are joining a national school walkout demanding tougher gun safety regulations following a Florida school shooting, including an estimated 3,000 rallying at the state Capitol.

Students left class at 10 a.m. Wednesday. In Milwaukee, students at Rufus King High School held signs that read #NEVERAGAIN. Menasha High School students formed a ring outside the building. Oshkosh West High School students left in silence.

In Madison, authorities estimated at 3,000 the crowd that gathered at the Capitol. Some held signs that read "The NRA can kiss my (expletive)" and "18th century laws cannot regulate 21st century weapons."

Middleton High School junior Maddy Knaak says lawmakers should raise the minimum age for buying weapons and ban bump stocks. She says students are scared and fed up.