cleveland city police bicycle horseback back state local officer across country keep order outside republican national convention tuesday predictions protester unrest would tarnish event come pass second day five arrest since convention begin monday police announce early even news conference sundown near mood downtown streets calm tuesday large demonstration police bicycle ride crowd city public square mid afternoon helmeted officer protective equipment others wear short separate crowd black live matter protesters protesters wear mask helmets occasionally lift bike push crowd america bad leave pro-trump demonstrator shout group carry sign read america never great pair men dress traditional muslim garb walk near plaza carry assault-style rifle one also bear semiautomatic handgun micha noziri yellow spring ohio muslim say want take stance trump position religious minorities immigration come show solidarity minority group so-called minority group donald trump would oppress things say noziri tell knot reporters surround ten men identify ohio militia walk public square weapons open display surround pack journalists police escort conservative radio host alex jones square amid shout jostle jones use megaphone shout invective black live matter group toward group liberal-leaning protesters dozens cleveland police bicycle dozens state police uniform intervene walk jones handful supporters past hundred demonstrators journalists one trump supporter elam stoltzfus say felt safe watch scene 150 police minute stoltzfus say reference events lead jones escort away ohio open-carry state lot protection here early tuesday police arrest three people climb flagpoles near cleveland rock roll hall fame hang banner word trump communities firefighters use ladder truck assist arrest police officials say bike horse foot police keep order outside republican convention