By Dailymail.com Reporter
Published: 02:19 BST, 14 August 2019 | Updated: 02:53 BST, 14 August 2019
An FDNY lieutenant has died after suffering a fatal heart attack in what fire officials are treating as a line-of-duty death.
Lt. Brian J. Sullivan, 54, of Squad Company 41 in the Bronx suffered a heart attack at his home in Monroe, Orange County, after completing a 24-hour shift.
Sullivan, who was a member of the FDNY's elite Special Operations Command, had been with the department for almost three decades.
Lieutenant Brian J. Sullivan, 54, died from a heart attack following a 24-hour shift
Sullivan told fellow firefighters he was feeling pain during his shift on Thursday but he still kept responding to emergency calls, including a kitchen fire. Pictured, colleagues pay respects
Fellow firefighters took the time to stand outside the firehouse to mourn their fallen colleague
'This is a tragic loss for the Fire Department and for the City of