That is typically the way these things go (fun fact -- first jury I ever picked was for a trial of such a case, many decades ago). As Twice mentioned (and some of you observed may NOT have happened), a person does not have a first amendment right to go over their time and disrupt a public meeting. Typically, if they go over time, (1) the chair tells them so and asks them to sit down, (2) if they don't, then perhaps a deputy or officer approaches and tells them they need to yield, or they may be arrested, and (3) only if the person continues to disrupt the meeting after being asked to yield and being asked to step aside would there be an arrest. And even then, it is often just that an officer takes them into custody and escorts them from the room -- no full and formal arrest or charges follow. But, they CAN, and in such case, the law does say that is legitimate. You cannot be arrested for your viewpoint, but you can be arrested for disrupting a public meeting. The rest of the public has an interest in the affairs of the city etc. being conducted and their right of participation and observation of same, and one person's desires do not override those. This arrest....I don't know enough. If they went right from "you're over your time" to "you're under arrest," that's flimsy. But, in this country, our ability to handle ANY conflict reasonably is fucking gonzo, so it wouldn't be surprising.