Government spokeswoman Naruemol Pinyosinthawat said Prayut, who is also the defence minister, has been kept updated about the multiple bomb incidents.
She said the prime minister has ordered police to investigate the incidents and to step up security.
“The prime minister also seeks cooperation from the public. The prime minister asks the public not to panic and to stay alert and inform the authorities of any irregularities,” the spokeswoman said.