Heavy shelling in Homs as Syrian President Bashar al-Assad vows to rid the country of rebels following the death of a leading Sunni Muslim cleric and ally.<br/> <br />Assad made the pledge in a message of condolence over the death of Mohammed al-Buti - killed alongside dozens of worshippers by an explosion in a Damascus mosque on Thursday.<br/> <br />Several videos uploaded to a social media website - which Reuters cannot independently verify - purportedly show the effects of government action against the rebels.<br/> <br />Assad has used air strikes, artillery barrages and Scud-type missiles in an effort to dislodge the rebels, who control swathes of eastern and northern Syria.<br/> <br />The humanitarian impact of the crisis was highlighted in a film by United Nations refugee agency, the UNHCR, which shows the increasing number of families torn apart by the fighting.<br/> <br />This family with its few possessions is amongst thousands seeking to escape the violence by crossing into Jordan.<br/> <br />Intisar, her
