NEW : Opposition group says 37 people died in the bombing . Eight people were killed in Damascus and its suburbs , six in Aleppo province and one in Homs province . The opposition Syrian Observatory for Human Rights said at least 35 were killed and more than 100 wounded when a bomb exploded near an army checkpoint on Monday morning. Officials set tentative day for peace talks between government , rebels . Fighting rages across Syria on Sunday .
NEW : Opposition group says 37 people died in the bombing . The opposition Syrian Observatory for Human Rights said at least 35 were killed and more than 100 wounded when a bomb exploded near an army checkpoint on Monday morning. Officials set tentative day for peace talks between government , rebels . Fighting rages across Syria on Sunday .