**EDITORS PLEASE NOTE: THIS EDIT CONTAINS GRAPHIC IMAGES**<br/> <br />Amateur video cannot independently verify shows people struggling to breath following an alleged gas attack in a rebel-held village in Hama province.<br/> <br />Now, rebel fighters and the Syrian government blame each other for the purported chemical attack, that both sides say injured at least 100 people.<br/> <br />State media accuses the al-Qaeda linked group Nusra Front.<br/> <br />Opposition activists say forces loyal to President Bashar al-Assad carried out the attack.
