NEW : Opposition group says 37 people died in the bombing . The bombing occurred near a farm machinery company in Hama , state media says . ` The humanitarian community has stressed time and time again that people must not be denied life-saving help and that the fighting has to stop , '' Valerie Amos , under-secretary-general for humanitarian affairs , said in a statement . 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 . 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 .