Chaos on the streets of Syria, where new amateur video appears to show a chlorine gas attack.<br/> <br />Residents of a village in the Hama province can be seen running from a green-yellow gas in the street.<br/> <br />Reuters cannot independently verify the video, which was posted on a social media website.<br/> <br />The video later shows a crowded emergency room where dozens of residents are struggling to breathe.<br/> <br />Opposition activists have blamed President Bashar al-Assad for the attack.<br/> <br />Damascus denies responsibility, instead blaming rebels.<br/> <br />Chlorine is thousands of times less lethal than sarin, which was used in a deadly attack outside Damascus last year.<br/> <br />But the use of chlorine as a weapon is still illegal.
