The siblings, named as Manop Promkaew, 30, and Manit Promkaew, 27, were arrested at a property in Thalang on Wednesday (Jan 6).
In addition to the charges of setting an illegal blockade and gathering 10 or more people together for violent acts, they are also likely to faces charges of causing damage to public property, attacking police officers and create harm in a public area.
Despite admitting to being in the area at the time, the two have denied all charges against them and stated that they didn't get in involved with causing any damage.
More than 80 arrest warrants have been issued for suspects wanted in connection with the Thalang Police Station. However, up until Wednesday's arrests, only three of the riot suspects have been taken into custody. (See story here)