The following post by Nantong Dan Lihua (南通单利华), a petitioner from the Jiangsu city of Nantong, was deleted from Sina Weibo sometime before 3:04pm today, November 13, 2013. In the post, Dan reports being detained by a stability preservation official from Nantong city at the railway station in Beijing. Dan Lihua currently has with more than 1,300 followers on Sina Weibo. [More on deleted posts at the WeiboScope Search, by the Journalism and Media Studies Centre]
The deleted post, in which Dan tags the official Weibo of the Beijing police, reads:

Right now I’m in the North Plaza at the Beijing South Railway Station and I’ve been intercepted by seven people led by Liu Yi (刘毅), the head of the petitions office in Gangzha District, Nantong City, Jiangsu. I’m sitting on the cold ground. I’ve already dialed 110 to report my case to Beijing [authorities], but the police haven’t come. Please won’t you web users pay attention to my case. Thank you! My phone number is 13615235498.

The Chinese-language original follows:

我现在北京南站北广场被江苏南通港闸区唐闸衔道信访主任刘毅带领7人截访，我坐在冰冷的地上，已向北京110报案20分钟，警方不出警，请网友们关注申援！谢谢！我电话13615235498 @平安北京