Syrian rights groups say security forces there killed more than fifty anti-government activists during the last two days.<br /> <br />President Bashar al-Assad has been meeting with local dignitaries over the two-month long unrest, with a view to urging a national dialogue.<br /> <br />But opposition groups within and outside the country are setting strong conditions for any talks. <br /> <br />Al Jazeera's Zeina Khodr reports from neighbouring Lebanon.