In this citizen journalism image provided by the Local Coordination Committees in Syria...
Syrian army tanks enter the northwestern city of Idlib, Syria. AP
A damaged house is seen in Baba Amro near Homs. Reuters
Rubble is seen in a damaged house in the Sunni Muslim district of Bab Amro in Homs in this...
Smoke billows in Homs in this handout picture received February 17. Reuters
Syrian tanks are seen in Bab Amro near the city of Homs. Reuters