text: Thai PM to Address Nation as More Bombs Hit South  PATTANI, Thailand (Reuters) - Bomb blasts rocked southern  Thailand on Friday hours before Thai Prime Minister Thaksin  Shinawatra was to address the nation as he faces his worst  crisis following the deaths of 85 Muslim protesters. A second  bomb exploded at a busy food stall in Yala province on Friday,  wounding nine bomb squad members who had arrived to investigate  an earlier blast that wounded three people, including one  policeman, hospital officials said.