Philadelphia police, fire trucks on scene where a reported shooter has barricaded himself - @McDanielJustine
Barricade situation ongoing after shooting injures 2 people in Frankford, Philadelphia - @nbcphiladelphia
Shots fired at Philadelphia police during barricade situation; no injuries reported - @FOX29philly
2 people found dead following barricade situation in Philadelphia - @NBCPhiladelphia
Sounds like possible MKUltra hitters?