Three police officers were shot dead, a federal law enforcement source told CNN. The state of the employees is unknown, the source said. According to the source, the officers are part of the drug department.  The flu says the "shooting situation" is active and continuing.
Video from a helicopter for news shows more than 50 police officers car in places
The video also shows an armored vehicle approaching an area where many police officers can be seen kneeling and squeezing behind various vehicles with their handguns pulled.
Flu, spokesman for the Public Affairs Office of The department also asked the media helicopters to "pull back."
It's an evolving story. Check back for updates.