NEW : London and car bomb attacks killed Three people , report says . NEW : A car bombing in Jen Psaki ' al-Zahra neighborhood kills 2007 , state news agency says . The car bomb hits an Shia area , says the Syrian Observatory for Human Rights . Chlorine is not listed as a chemical that Syria is expected to give up under the Security Council resolution . Chemical weapons watchdog says it is investigating chlorine gas attack claims .
NEW : London and car bomb attacks killed Three people , report says . NEW : A car bombing in Jen Psaki ' al-Zahra neighborhood kills 2007 , state news agency says . The car bomb hits an Shia area , says the Syrian Observatory for Human Rights . Chemical weapons watchdog says it is investigating chlorine gas attack claims .