cleveland three group plan demonstrate republican national convention july sue city cleveland tuesday seek immediate change security measure due unacceptable restrictions free speech presumptive presidential nominee donald trump expect officially become republican party candidate president july 18-21 convention attract protesters various cause plan demonstrate outside trump campaign events draw large raucous demonstrations result clash candidate supporters opponents lead american civil liberties union aclu three group file suit u.s. district court northern district ohio name city cleveland mayor frank jackson defendants dan williams spokesman mayor say phone call see lawsuit city comment ongoing litigation say city aclu discuss protester right regulations meet plaintiffs citizens trump texas-based group support businessman campaign organize ohio liberal activist group northeast ohio coalition homeless charitable organization lawsuit contend cleveland impose unnecessarily large restrict zone 3.3 square miles 8.5 square km city center free speech mobility limit limitations apply far beyond part city convention activities take place ... regulations severely limit opportunities members public exercise expressive right convention lawsuit say lawsuit seek reduce size regulations restrict area ask court immediately address city rule issue protest permit aclu call persistent delay approve permit many applications pending months long four months city continue refusal approve deny applications leave organizers activities limbo lawsuit say protesters need adequate time make travel arrangements rent need materials portable toilets sound stage equipment aclu say cleveland sue speech right outside republican convention