At the "war drum" rally on Sunday, Jarupong Ruengsuwan, the Pue Thai Party Leader, said that violence threatened to escalate.
"Let me leave a warning to all people and to those who want to harm the country and the People of Thailand that Thais own 10 million guns in this country," he said. "Whoever wants to insult the power of people, they will see."
On Tuesday, violence simmered in the capital Bangkok where police said a series of blasts and gunfire took place in the early hours of the morning near Lumpini Park. Two people received minor injuries in the incident, police said.