More Violence Across Syria Kills 23 People

United Nations observers leaving the U.N. office in Damascus, Syria, as they head to areas where protests have been taking place, May 1, 2012. (Reuters)

A general view of the site where one of two bombs exploded near a military compound, Idlib, April 30, 2012. (AP/SANA)

A man gestures near damaged cars at the site where two bombs detonated near state buildings in Idlib. (Reuters/Sana)

Pools of blood are seen near a damaged tractor at the site where two bombs detonated in Idlib. (Reuters/SANA)

Syrian security forces, background, hold machine guns and surround anti-Syrian regime mourners, foreground, during the funeral procession of the activist Nour al-Zahraa, 23, who was shot by the Syrian security forces in Kfar Suseh, Damascus, Syria, April

Anti-Syrian regime mourners shout slogans and carry the body of activist Nour al-Zahraa. (AP)

Debris in a school the opposition says was damaged by government forces in Al Qasseer city, near Homs, April 30, 2012. (Reuters/Shaam)

Norwegian Major General Robert Mood, head of the U.N. observer team in Syria, right, speaks to reporters after his arrival in Damascus, April 29, 2012, as Colonel Ahmed Himmiche, left, looks on. (AP)

A damaged building is seen in the center of Homs in this handout picture shot in April 2012. (Reuters/SHAAM)

A damaged building is seen in the center of Homs in this handout picture shot in April 2012. (Reuters/SHAAM)

Syrian activists say another day of violence across the country has killed at least 23 people.