"Nobody is checking every single hospital, nobody is adding up all the numbers ... (but) there clearly is a large volume of civilian casualties, " World Health Organization spokesman Iain Simpson told a United Nations briefing.

CNN: Baghdad running low on medicine

Champion rowers Pete Reed and Andy Hodge and sailors Iain Percy and Andrew Simpson pulled the covers off the clock, as 2012 chairman Seb Coe, London Mayor Boris Johnson and world champion heptathlete Jessica Ennis looked on.

BBC: 2012 clock starts counting down as tickets go on sale

The visitors scored five first-half tries through Lesley Vainikolo, Mike Tindall, Ryan Lamb, James Simpson-Daniel and Iain Balshaw.

BBC: Ulster 14-32 Gloucester