A selection of the videos from Sunday's assault by supporters and forces of President Saleh on protesters in Change Square in the Yemeni capital Sana'a (Warning: we have held back the most graphic footage, but some of these images may still be troubling). Other videos were posted in our LiveBlog yesterday.
The beginning of the attack:
Protesters throw stones at security forces firing from buildings around the Square:
Another angle on the attack:
A man embraces a dead relative amidst a row of bodies in the field hospital near the Square: