User blog comment:KazMiller1.0/West and Zampella V.S. Activision/@comment-2224289-20110527212913

Apparently, guys are willing to ban MW3 in the UK because of the fact the fights in the trailer seem to be reference to the 7/7 attacks: http://www.psu.com/Modern-Warfare-3-comes-under-fire-from-British-tabloids--a011768-p0.php