Medical incident at Nicholson St and 59th Ave Heard on: Prince George's MD Fire-Tac Group Calls 00:07 00:00 Local area of Nicholson Street, 59th Avenue. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Local area of Nicholson Street, 59th Avenue. 00:03 Southside Fire Box Area 1303. 00:06 703, respond. 7/14/2026 02:01 PM Medical Emergency Nicholson St & 59th Ave, Riverdale Park, MD 20737 View on map