Here's the second part of the video from the Audacity of Hope, with Ray McGovern, a former CIA analyst speaking on the loudspeaker.
UPDATE AT 2255 Hours EDT:
Al Jazeera has received the video below from on-board the US ship Audacity of Hope, which was halted by the Greek coast guard as it attempted to leave the Athens harbour. In it, you can hear activists on board attempting to talk to the Greek officers through a loudspeaker, after they had been stopped.
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