kabul suicide attacker ram car full explosives bus leave afghanistan top military train center kabul saturday kill least 15 soldier include cadets trainers officials say taliban insurgents claim responsibility attack late particularly deadly week afghanistan security force bomb also second major attack capital kabul 24 hours suicide attack shi ite mosque kill 50 worshippers friday night army personnel come marshal fahim university suicide bomber car target fifteen soldier train kill four others wound ministry defence spokesman dawlat wazari say statement president ashraf ghani office say bus carry trainers cadets defense university western outskirts kabul home afghan military officer train school military academies afghan security force struggle taliban since foreign troop leave end 2014. u.s. president donald trump commit open-ended military train support mission afghanistan august despite criticism close peace despite billions dollars aid nearly 16 years u.s. ally operations taliban spokesman zabihullah mujahid claim responsibility saturday car bomb email reporters taliban wag insurgency decade half attempt overthrow western-backed government kabul re-establish fundamentalist islamist regime insurgents control contest 40 percent afghanistan afghan security force include police kill rate 600 per month battle target bomb early year accord u.s. report week toll look particularly heavy afghan force attack across country include taliban fighters use capture u.s.-provided humvee vehicles vehicle bomb ram fortify compound thursday taliban storm military base southern province kandahar kill least 43 60 soldier man base leave ruin two days early dozens security personnel kill score wound taliban attack government compound paktia ghazni provinces senior provincial police commander among dead addition taliban afghanistan recent years see rise violence claim fighters claim loyalty islamic state middle east-based leadership although movement control little territory afghanistan islamic state claim responsibility suicide attack kabul friday even bomber walk shi ite muslim mosque people pray detonate explosives toll attack imam zaman mosque rise 54 kill include children 55 wound deputy minister religious affairs dai-ul haq abid tell news conference saturday another mosque attack friday kill least 33 people central ghor province car bomb kill 15 afghan cadets trainers outside kabul military school