Police in Toronto allege a 19-year-old woman has been sexually assaulted by two men.
They say the men followed her into an elevator and attempted to take her cellphone at gun point.
They say the men dragged her from the elevator and sexually assaulted her in a nearby stairwell.
The pair were seen driving off in a grey or silver Mazda with a damaged door that seemed secured with black tape.
Officers say they have detailed descriptions of the men