Crowds watch as Turkish rescue workers find three more bodies amongst the debris of a destroyed post office building in the border town of Reyhanli.<br/> <br />A double car bombing on Saturday in a busy shopping district here left dozens dead and wounded many more.<br/> <br />Turkey has accused a group with links to Syrian intelligence of carrying out the attacks, a claim backed by the Syrian opposition on Monday.<br/> <br />Acting president of the Syrian National Coaltion, George Sabra, blamed President Bashar al-Assad's 'murderous regime' for the bombings - a claim Damascus denies.<br/> <br />(SOUNDBITE) (English) ACTING PRESIDENT OF SYRIAN NATIONAL COALITION AND CHAIRMAN OF SYRIAN NATIONAL COUNCIL GEORGE SABRA, SAYING:<br/> <br />"It's very clear this is a part of the nature of Syrian regime. All countries in the region, all people in the region, know exactly this fact."<br/> <br />Meanwhile British Prime Minister David Cameron, in Washington to meet President Barack Obama, said Britain was trying to build stren
