NEW : More and more countries will meet the opposition , William Hague says . Britain is `` seeking to step up pressure '' on Syria , the foreign secretary says . British Foreign Secretary William Hague met a range of Syrian opposition figures Monday , saying London was `` seeking to step up the international pressure on the Assad regime , a regime that has long since lost its legitimacy in the eyes of the wider world . '' The UK has been pushing for a UN Security Council resolution that would condemn President Bashar al-Assad's regime as being responsible for chemical weapons attacks in Syria. The United Nations says more than 3,500 people have died in the Syrian crackdown .
NEW : More and more countries will meet the opposition , William Hague says . Britain is `` seeking to step up pressure '' on Syria , the foreign secretary says . The UK has been pushing for a UN Security Council resolution that would condemn President Bashar al-Assad's regime as being responsible for chemical weapons attacks in Syria. The United Nations says more than 3,500 people have died in the Syrian crackdown .