NEW : International Olympic Committee describes Wanjiru as an accomplished runner . BBC : The BBC says ` ` Our thoughts are with his family and friends '' Police : Police say that Wanjiru died when he jumped from a balcony . Wanjiru 's death is under investigation , police say .
NEW : International Olympic Committee praises Wanjiru as an accomplished runner . NEW : The IOC says `` Our thoughts are with his family and friends '' NEW : Police say Samuel Wanjiru died when he jumped from a balcony . Wanjiru 's death is under investigation , police say .