
Reporters saw some 20 PAD guards running down from a sound truck when it reached in front of Soi Vibhavadi Rangsit 3 to chase after the taxi drivers.
The clash occured at about 5 pm.
The injured were rushed to the Paolo Memorial Hospital in Saphan Kwai area. Most of them were shot.
The taxi drivers used red headbands threw objects as vehicles of the PAD when they driving past to the Suvarnabhumi airport.
Seeing the guards armed with knives and sticks coming to them, the taxi drivers fled into the soi.
The guards then damaged properties at the scene and set fire to three motorcycles.
The guards also attacked a taxi motorcyclists and threatened to harm a cameraman of Thai PBS, who ran for his life.
A taxi driver alleged that the PAD guards also fired at them.
The taxi drive said PAD guards from a six-wheel truck and pick-up truck also joined the first group of guards to go berserk at the scene.
Police were later deployed to check the scene for evidence.
"Police came to check the traces of gunfire. They emptied their guns on us. Those injured were not taxi drivers but were passers-by and had nothing to do with the fight," the taxi driver said.