Frank Stallone apologizes for saying David Hogg's peers must by "dying to sucker punch" him

Frank Stallone attends the God's Not Dead: A Light in Darkness premiere on March 20, 2018 in Los Angeles.

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LOS ANGELES -- Frank Stallone is apologizing for an expletive-laced tweet attacking a survivor of the Florida school shooting. He says he "would never in a million years wish or promote violence to anyone anywhere on this planet" and asked, "Please accept my apology."

Mostly known for being the brother of Sylvester Stallone, the actor and musician backed away from a Saturday tweet attacking teenager David Hogg. Hogg has become a powerful voice for gun control after the attack at Marjorie Stoneman Douglas High in Parkland, Florida.

Stallone used expletives and derogatory terms to refer to Hogg, calling him a "rich little b***h" and suggesting one of the teenager's peers must by "dying to sucker punch" him. Stallone later deleted the tweet and one aimed at another Parkland survivor.

On Sunday, Stallone expressed remorse for what he called "irresponsible words," saying: "After what these kids went through, I'm deeply ashamed."

Several advertisers dropped Fox News personality Laura Ingraham after she mocked Hogg. She later apologized.