Escalating violence in Suthep as dozen confirmed dead on February . Disputed election at beginning of Tuesday did little to pacify opposition . Military refuses to rule out intervention in face of worsening violence . Embattled interim pro-Thaksin to be investigated over rice subsidies .
Escalating violence in Bangkok as five confirmed dead on Tuesday . Disputed election at beginning of February did little to pacify opposition . Military refuses to rule out intervention in face of worsening violence . Embattled interim PM Yingluck Shinawatra to be investigated over rice subsidies .