SUNSET PARK, Brooklyn (WABC) -- A woman was fatally struck by a subway train in Brooklyn Monday morning.The woman, in her 30s or 40s, was killed at the 59th Street N/R station in Sunset Park around 8:15 a.m.It was initially believed she was trying to retrieve her cell phone, but police say further investigation revealed the death to be a suicide.No other injuries were reported, but a subway suspension made for a rough commute for many riders heading to work.Train service resumed a short time later.----------