A video posted on Youtube (below) shows Stein and Cheri Honkala as they are removed by police for blocking traffic. The two women, as seen in the video, had been sitting in the road, arms linked, with an American flag draped over their laps. According to RT news, Stein and Honkala remain in police custody.
The campaign's account tweeted news of the arrest earlier this afternoon:
They had earlier had called for their supporters to "occupy the commission on presidential debates" on Twitter.