PHILADELPHIA – An investigation is unfolding at a property in Philadelphia’s Olney section that drew a massive law enforcement presence on Thursday.

What we know:

Officers from the Philadelphia Police Department responded to a home on the 400 block of West Chew Avenue Thursday afternoon.

Court records obtained by FOX 29 News show a name tied to the address was arraigned last week on drug and weapons charges.

Members of the FBI and DEA have also been spotted at the property. The investigation continued on Friday.

What we don’t know:

What exactly prompted law enforcement to respond to the house remains unknown.

What’s next:

Officials will provide more information about the investigation at a 2:30 p.m. press conference. 

You can stream the press conference in the live player above.

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