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Jawara McIntosh, son of legendary Reggae icon and a pro-marijuana activist, Peter Tosh, sings a song as he stands with a large gathering in front of the New Jersey Statehouse in Trenton, N.J., Sunday, April 20, 2014. Dozens of activists and community members gathered in front of the Statehouse to show their support for legalizing marijuana. Sunday's rally was among many held nationwide to mark the traditional pot holiday of April 20, a day for marijuana activists to defiantly light up to protest their drug of choice being outlawed. (AP Photo/Mel Evans) Image Credit: AP

Authorities say a man accused of attacking and seriously injuring the son of late reggae icon Peter Tosh at a New Jersey jail is facing an aggravated assault charge.

The Bergen County Sheriff’s Office says the count against Kyrie Baum stems from a February 21 attack at a county jail that left 37-year-old Jawara McIntosh with traumatic brain injuries and in a coma. The charge was made public on Friday. Authorities say Baum has already been indicted.

It wasn’t known Sunday if the 40-year-old has retained an attorney.

Authorities have not said what sparked the attack, which they say lasted less than 10 seconds.

Attorney Jasmine Rand has said that McIntosh’s family has filed notice that it plans to sue and also wants the US Justice Department to investigate.