At least four people are dead including children and some 70 others injured after a twin suicide bombing in the Hezbollah controlled southern suburb of Beirut on Wednesday.<br/> <br />Security sources said the blasts were caused by two bombers... one on a motorcycle the other in a car.<br/> <br />It happened near an orphanage. Witnesses say kids were looking out the windows yelling 'bomb, bomb!'<br/> <br />Many of those injured and receiving treatment at a local hospital were children<br/> <br />This man said he was standing in front of a shop, then felt himself flying backward about 20 meters.<br/> <br />A militant group linked to al Qaeda claimed responsibility for the attacks on Twitter.<br/> <br />The area is controlled by the Shi'ite movement Hezbollah, which is fighting alongside President Bashar al-Assad's forces in neighbouring Syria in a conflict that has fuelled tensions between Sunni and Shi'ite Muslims in Lebanon.