Here are some photos by New Mandala regular, Nick Nostitz, of the confrontation at Thaicom on 9 April 2010.
[UPDATE: here is a good discussion by Nirmal Ghosh on the clash and the “watermelon” issue. Key quote: “In the late afternoon as the reds left in triumph, to be hailed as heroes back at the main rally site in Bangkok, some of them even took lifts in army trucks with the soldiers.”]