HARTFORD, Conn. — After last week's mass shooting in Minnesota , which killed two children and injured more than a dozen others, Connecticut lawmakers are once again calling for tighter gun control laws.

As of Sept. 1, there have been 292 mass shootings in the United States so far this year, according to the nonprofit Gun Violence Archive . They define a mass shooting as four or more people being injured or killed, besides the shooter.

On Tuesday, state Sen. Richard Blumenthal held a press conference calling for an assault weapons ban and safe gun storage laws. He was joined by advocacy groups Hartford Communities that Care ; Moms Demand Action ; and Mothers United Against Violence , which is a group for local women who have lost loved ones to gun violence.

"My son passed on

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