Romklao and four other army officials were killed during a military crackdown on red shirt protesters in 2010 at Kok Wua intersection when grenades were fired. Romklao was promoted to the rank of army general in honour for his sacrification.
Deputy police chief Gen Somyot Pumpunmuang identified the suspects as Kittisak Soomsri, 45, Preecha Yuyen, 24, Ronnarit Surisa, 33, Chamnarn Pakichai, 45 and Punika Chusri. Two others – Wattanachok Jeenpui, 23 and Thanadet Ekapiwat, 39 – are still at large;
Somyot said the suspects confessed to being involved with the M79 grenade attacks on the red shirt protesters and the military officials on April 10. He however refused to reveal details of the investigation in which the suspects were implicated.