[an error occurred while processing this directive] BBC News
watch One-Minute World News Last Updated: Thursday, 30 August
2007, 18:50 GMT 19:50 UK Burial clue to early urban strife Bones
from mass burial  Image: Science Only a fraction of the burial
pit has been excavated     There could be hundreds and
potentially thousands Dr Augusta McMahon, University of
Cambridge   The surface of Tell Brak is covered with broken
pottery and other debris  Image: Jason A Ur    Ancient forensics
Tell Brak appears to have developed from the outside inwards
Dr McMahon said she did not know whether the victors were
defending or attacking Tell Brak.  "We need at least another
season to understand what happened," said Joan Oates, an
archaeologist at Cambridge and project director at Tell Brak.
She estimates that the Majnuna incident took place in about
3,800BC.  Tell Brak is a 40m-high, 1km-long archaeological mound
in what would have been northern Mesopotamia.  Jason Ur, an
anthropologist at Harvard University in Cambri