Authorities temporarily closed two public parks in Muang district of this southern border province after eight bomb explosions on Wednesday night. No casualties were reported.
Seven bombs were apparently placed at an artificial waterfall in Khwan Mueang park and another went off on an islet at Sanam Chang Phueak park between 8.03pm and 10.51pm on Wednesday.
Yala deputy governor Kongsakul Chantharat told the Public Relations Department that the parks must be closed for safety checks after the incidents. They has been designated as venues for traditional ceremonies to mark the end of the Buddhist Lent.
The explosions followed three blasts at a youth centre in Muang district of the province on Tuesday night.
Bomb experts said timed pipe bombs weighing about one kilogramme each were used on Wednesday, like those in the explosions at the youth centre.
The incidents on Wednesday drew senior authorities to the scene. They included deputy national police chief Pol Gen Samran Nuanma and Lt Gen Noratip Poynok, the Fourth Army Area commander.
Prime Minister Anutin Charnvirakul said he planned to visit the far South to follow up on security measures there this weekend.