NICOSIA: Shelling in Syria's flashpoint city Homs killed 13 people on Monday in the Sunni district of Baba Amro, the Syrian Observatory for Human Rights said in a statement.

"The shells fired from heavy machineguns in the Baba Amro district caused 13 deaths on Monday morning and dozens of injuries. The situation is frightening and the shelling is the most intense of the last three days", the group said, citing activists on the ground.