World leaders need to consider "every way" possible to increase the pressure on the Syrian regime, UPI quoted British Foreign Secretary William Hague as saying Wednesday. Hezbollah fighters from Lebanon this week were suspected of playing a role in pro-government attacks on opposition fighters strongholds in Syria. "The case for further amendments to the arms embargo on Syria is compelling, in order to increase the pressure on the Assad's regime, and to give us the flexibility to respond to conflict," he told British lawmakers.