▁the ▁US ▁government ▁services . ▁In ▁May ▁ 2 0 1 3 , ▁Buck les ▁res igned ▁as ▁chief ▁executive ▁of ▁G 4 S ▁with ▁£ 1 . 2   mill ion ▁pay off ▁and ▁was ▁replaced ▁by ▁Ash ley ▁Al man za . ▁ ▁Fail ure ▁to ▁meet ▁London ▁ 2 0 1 2 ▁Security ▁Cont ract ▁On ▁ 1 2 ▁July ▁ 2 0 1 2 , ▁it ▁was ▁announced ▁that ▁ 3 , 5 0 0 ▁British ▁troops ▁would ▁be ▁deployed ▁at ▁the ▁ 2 0 1 2 ▁Summer ▁Olympics ▁due ▁to ▁a ▁short age ▁of ▁ade qu ately ▁trained ▁G 4 S ▁security ▁staff , ▁with ▁Labour ▁MP ▁Keith ▁V az ▁claim ing ▁that , ▁" G 4 S ▁has ▁let ▁the ▁country ▁down ▁and ▁we ▁have ▁literally ▁had ▁to ▁send ▁in ▁the ▁troops ". ▁Sh ares ▁in ▁G 4 S ▁later ▁dropped ▁nine ▁percent ▁after ▁the ▁firm ▁claimed ▁it ▁faced ▁a ▁possible ▁£ 5 0   mill ion ▁loss ▁as ▁a ▁result ▁of ▁failing ▁to ▁provide ▁sufficient ▁trained ▁staff ▁for ▁the ▁ 2 0 1 2 ▁Olympic ▁Games . ▁On ▁ 1 7 ▁July , ▁the ▁company ' s ▁chief ▁executive , ▁Nick ▁Buck les , ▁appeared ▁before ▁the ▁Home ▁Affairs ▁Select ▁Committee , ▁where ▁he ▁apolog ised ▁for ▁the ▁organis ational ▁fail ings , ▁expressed ▁regret ▁at ▁having ▁taken ▁on ▁the ▁Olympic ▁security ▁contract , ▁and ▁agreed ▁in ▁principle ▁to ▁pay ▁bon uses ▁to ▁soldiers ▁draft ed ▁at ▁the ▁last ▁moment ▁as ▁replacement ▁security ▁staff . ▁Press