The Latest: O’Rourke says Buttigieg is afraid to act on guns

LAS VEGAS (AP) — The Latest on a gun control forum for presidential candidates in Las Vegas (all times local):

2:20 p.m.

Beto O'Rourke is accusing one of his rivals for the Democratic presidential nomination of being "afraid of doing the right thing right now" when it comes to guns.

O'Rourke, a former Texas congressman, was speaking about South Bend, Indiana, Mayor Pete Buttigieg. Both attended a gun policy forum Wednesday in Las Vegas.

O'Rourke supports a mandatory government buyback program for assault-style weapons. Buttigieg says such a policy has "mixed results" and likened it to a "shiny object" that makes it harder to pass other gun control policies now.

O'Rourke says that many Americans support gun buyback and that "it's time to lead."

O’Rourke himself was criticized earlier in the day by New Jersey Sen. Cory Booker, who said O'Rourke only supported a gun licensing program after the shooting in his hometown of El Paso, Texas.

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10:15 a.m.

Former Arizona congresswoman Gabrielle Giffords is kicking off a gun control forum with presidential candidates in Las Vegas by calling for Democrats, Republicans and independents to come together and “be responsible” and fight for change.

Giffords was on stage with March For Our Lives student activists and Connecticut Democratic Sen. Chris Murphy. She said “stopping gun violence takes courage” and new ideas.

Giffords was shot and gravely wounded during a constituent meeting in Tucson, Arizona in 2011. She went on to set up a gun control advocacy organization, which co-hosted Wednesday’s event.

Nine of the 10 leading presidential candidates were expected to attend and speak about gun violence. Vermont Sen. Bernie Sanders canceled his appearance after having a heart procedure for a blocked artery Tuesday...