**ALL ROUND PICTURES FROM SOLARPIX.COM**.**WORLDWIDE SYNDICATION RIGHTS**.Lily Allen and around one hundred school children gather in Parliament Square, asking for Prime Minister Gordon Brown to invest in Britains children. date: 11 July 2007..This pic: Lily Allen..JOB REF: 4252 SSD DATE: 11_07_2007.**MUST CREDIT SOLARPIX.COM OR DOUBLE FEE WILL BE CHARGED* *UNDER NO CIRCUMSTANCES IS THIS IMAGE TO BE REPRODUCED FOR ANY ONLINE EDITION WITHOUT PRIOR PERMISSION*