At least seven homemade bombs exploded in Pattani, Narathiwat and Yala, injuring nine, on Friday, a day after suspected insurgents targeted government offices and police stations with more than 40 bombs that left two people dead and 16 injured.

The suspect, identified as 37-year-old Zablee Hamaeruding, was found alone in a hut on a rubber plantation in the Rangae district of Narathiwat province. They seized bomb-making materials such as fertilizer and 3 kilograms of nails, police said.

"We believe that this man might be part of the insurgency movement causing trouble in this region," police said.

Interior Minister Kongsak Wanthana said Thursday that initial investigations showed the bombs were made outside of Thailand.

On Friday, at least seven more bombs hit Yala province on Friday, a day after a wave of explosions ripped through the province.

In the worst attack, explosives hidden under a government pick-up truck went off in a crowded market in Ka Bang district, wounding the deputy district chief driving the car, his wife and three police officers.

Prime Minister Thaksin Shinawatra expressed concern and said he had left his deputy, Justice Minister Chidchai Vanasathidya, in charge of dealing with the insurgency's latest flare-up that killed two and wounded 24 Thursday.

"Today Chidchai will call a meeting and adjust security plans," said Thaksin before leaving for a three-day visit to Kazakhstan.

In Friday's other six bombings, small improvised devices hidden in garbage bins and restrooms hit railway stations and other targets in the Yala and Narathiwat provinces but injured no-one, police said.

Southern regional police raised the number of Thursday's attacks against police posts and cars, government offices, tea shops and other businesses to 65 -- with 26 each in Pattani and Narathiwat and 13 in Yala.

The Nation