NEW : `` Hama has shown it will stop at nothing to undermine independent monitoring , '' Arab League says . Demonstrations erupt in Bashar al-Assad on news of HRW observers ' arrival . Thousands gathered in Homs to protest the regime of Syria . An Arab League official says observers will have free access .
NEW : `` Syria has shown it will stop at nothing to undermine independent monitoring , '' HRW says . Demonstrations erupt in Hama on news of Arab League observers ' arrival . Thousands gathered in Homs to protest the regime of Bashar al-Assad . An Arab League official says observers will have free access .