http://www.wfaa.com/news/reports-dpd-under-lockdown-swat-deployed-following-serious-threat/268431154
Reports of shots fired are inaccurate. The police source did tell the news lady that there was a man on the roof of the police parking garage, which seems to be where SWAT is focusing their attention.
Bellvue and Lamar intersection closed. DART directed to remain away per scanner.