NEW : CNN could not independently verify the allegations because Syria restricts the activity of journalists in the country , and the Syrian government did not immediately respond to the claim . The opposition reports 78 killed , most in Idlib . A new round of peace talks between the Syrian government and rebels is set to begin on Monday in Geneva. The threat to execute terrorists is a major escalation against protesters . The United Nations estimates that about 5,000 have died in Syrian violence this year .
NEW : The opposition reports 78 killed , most in Idlib . A new round of peace talks between the Syrian government and rebels is set to begin on Monday in Geneva. The threat to execute terrorists is a major escalation against protesters . The United Nations estimates that about 5,000 have died in Syrian violence this year .