Philadelphia: An assailant shot six dead in US State Pennsylvania, the gunmen has been searching in different areas of state identified as Bradley William Stone.

According to Pennsylvania police the gunman named William Stone has shot dead six people in the state while one was wounded in shooting on Monday, police has been searching the assailant in different locations around Pennsburg northwest of Philadelphia.

Montgomery County’s district attorney has said that Stone has killed his ex-wife Nicole including her teenager niece, also shot ex-wife’s sister, husband and 14-year-old daughter. The assailant didn’t kill his two daughters who have been with ex-wife at her residence.

Neighbors of victim Nicole Stone informed police when they heard gunshot from her house and see William Stone who has flee from house with his children, however, he left his daughter at nearby house in Pennsburg.

Montgomery County police stated his dangerous, instructed the residents to remain indoors and informed authorities if he will be seen anywhere around them.