One would never think that the police would be willing to hold reporters in jail for, well, reporting. One would not think that in this country people would be arrested and detained for non-violent, presumably First Amedment protected protest against the government and it's action. After all, this is a democracy, literally, "ruled by the people". Protest, raising voices, letter writing, these are all things that are fundamental to our freedom. And so would be the press' recording of those potests and that anger. In theory, in fact, democracy requires a free press to spread the word about what's going on. Police aren't supposed to involve the press unless the press is participating in something illegal. But yes this happened in America. In the capital even:

"People chanted for a peaceful release, their cries echoed by people on the outside of the blockade. When we pleaded our case to the officers, they ridiculed us and said we had had our chance - which we weren't aware of. As the police drew nearer, we were told they would confiscate our notes and might use them against the people mentioned in them. We were advised to hide them in various body cavities. We opted to give our notebooks to a Washington Post reporter, who was not detained."