Jack Doherty, a 22-year-old social media influencer, was arrested early Saturday morning in Miami for obstructing traffic and possession of controlled substances.Police responded to reports of disruptions on Washington Avenue where Doherty was seen engaging in risky street activities, including entering the northbound lanes and refusing police commands.Officers found him with a Schedule II amphetamine and suspected cannabis cigarettes during his arrest, charging him with obstruction, possession, and resisting arrest without violence.