PORTSMOUTH, England—President Trump said he doesn’t like gun silencers and was open to considering a ban on the devices after one was used in a mass shooting last week in Virginia.

“I don’t like them,” Mr. Trump said in an interview that aired Wednesday morning on ITV’s “Good Morning Britain.” Asked if he would like to ban silencers, he said, “I would like to think about it” before quickly adding, “I don’t love the idea of it.”

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