NEW : Opposition group says 37 people died in the bombing . The bombing occurred near a farm machinery company in Hama , state media says . Government announce tentative day for peace talks between government , opposition . Fighting rages across Syria on Sunday .
NEW : Opposition group says 37 people died in the bombing . Suicide bombing occurred near a farm machinery company in Hama , state media says . Officials set tentative day for peace talks between government , rebels . Fighting rages across Syria on Sunday .