VOICED : Thailand hit by series of attacks in tourist resorts

A series of explosions hit the normally peaceful town of Hua Hin and other provinces in Thailand, causing concern among locals and tourists. The attacks, which occurred almost a year after the Bangkok shrine bombing, have not been linked to terrorism but are considered local sabotage. Police are investigating the incidents, which appear to target tourist areas, though the motive remains unclear. The events coincide with Thailand's approval of a new constitution aimed at ensuring stability and security.

What do authorities believe about the motive behind the attacks?

What recent political action did Thailand take that is mentioned in the text?