"Patient is VSA [vital signs absent], we need another unit for backup please," the paramedic said. ​Seven minutes after paramedics were first called to the scene of an Ottawa man's arrest, they requested backup after finding him without vital signs, according to audio from the paramedic dispatch. ​Reports of a man gropingPolice were called to a coffee shop in the Wellington West neighbourhood of Ottawa about 9:30 a.m. Audio from the dispatch calls, provided by Broadcastify, provides some insight into how the call was treated and the time it took to treat Abdi. Ottawa police Chief Charles Bordeleau has said paramedics were called 23 seconds after Abdi's collapse.

Source: CBC News July 27, 2016 19:42 UTC