The medical examiner's office determined suicide as cause of death for Ruslana Korshunova, a 20-year-old model who fell from her Water Street apartment in lower Manhattan Saturday afternoon. Friends gathered outside the building, crying and leaving flowers. Many reports noted that there was a hole in the construction netting outside her building; Newsday reported, the DOB couldn't "confirm whether the fall caused the hole and, if so, why the netting did not prevent her death."......