PHILADELPHIA (CBS) — Police are investigating the report of several males shooting at each other inside of a residence on the 700 block of W. Lycoming Street in Hunting Park.

Police say one man reportedly ran into the residence during the incident. Authorities say it has been declared a barricade situation.

Officials say a male may be locked in the basement.

Authorities say the SWAT team is responding.

Stay with CBSPhilly.com for more details as they become available.