The local Cuban TV station is reporting that Cuban blogger Yoani Sánchez of Generation Y blog was picked up with some fellow bloggers on their way to a march by plain cloth security and dragged into a car where they were roughed up, threaten, and accused of being mercenaries. Then they were warned not to try to attend the march and driven back close to their home and dropped off.

I haven't been able to find anything on the net so far.