BANGKOK: Thai southern insurgents maintained a high level of violence in the deep South as they set fire to five schools in Pattani on Monday and murdered three villagers, according to local media. In the early hours on Monday, some 50 suspected militants torched seven buildings in Pattani's Muang district, according to Pattani's Governor Phanu Uthairat, including five public schools at Ban Bana, Ban Juloh, Ban Pakahang, Ban Kueya and Ban Korlaebeleh. ``A public health clinic at Talulo sub-district was also torched, while teacher's house was set ablaze near Ban Kue Ze School,'' Mr. Phanu was quoted by local news group The Nation as saying, that the militants were targeting schools and public health buildings as they had ``failed to manipulate local people'' to up rise against the authorities. Xinhua