More signs possibly relating to planned bomb attacks and prepared by a group of Iran nationals have been identified on Bangkok streets, apart from the stickers reading "SEJEAL" which police discovered earlier, a police source said yesterday.

Chalit Damrongsak yesterday was abruptly removed as chief of the Royal Irrigation Department after a Cabinet decision forced him to swap his post with that of Lertwiroj Kowattana, a deputy permanent secretary for Agriculture.

Questions in examination papers should be based on facts, especially if they are carried in a multiple-choice format, said Professor Utumporn Jamornmann, former director of the National Institute of Education Testing Service (NIETS).

Prime Minister Yingluck Shinawatra said yesterday she was doubtful about the quality of the tablet computers after the per-unit price in the budget plan had dropped from more than Bt3,000 to just Bt2,500.

Samphan Phranphruek, director of the National Institute of Educational Testing Service (NIETS), yesterday admitted that the questions posted on the Net by some students were used in the February 18-19 Ordinary National Education Testing (O-Net) exam papers, except the choices posted were incorrect.

Three people have been arrested for purchasing elephant meat and ivory from poachers who allegedly hunted the pachyderms in Phetchaburi province's Kaeng Krachan national park.

PM Yingluck Shinawatra has urged caution and more study before any decision is made on the proposal to build cable-car services inside Loei's Phu Kradung National Park. A mobile Cabinet meeting in Udon Thani on Tuesday was reportedly ready to approve the project.

The pro-universal healthcare scheme group yesterday objected to a government plan to collect Bt30 from healthcare service users, saying it wasn't worthwhile and would create an unfair burden on poor people.

Four paramilitary rangers were injured when suspected insurgents detonated a bomb near the Joh I Rong-Pa Phai railway in Narathiwat's Joh I Rong district yesterday.

The Embassy of Iran has sought to defend the reputation of a young Iranian woman whose name appeared in the press in relation to recent bomb blasts in Bangkok.