![](https://mmo.aiircdn.com/516/613c77921cf28.jpg)
Paul McCormack spent months working at Ground Zero
An Irish former NYPD officer has been recalling 9/11 terror attacks ahead of the 20th anniversary.
Paul McCormack spent several months working at Ground Zero, which has resulted in the serious deterioration of his eyesight.
The Donegal man has been in Dallas this week for a ceremony to mark the attacks:
He says it was heartbreaking to hear calls the for help.