Bucks County District Attorney David Heckler
The fire was reported at about 3:30 p.m. at the 3500 block of Bristol Oxford Valley Road in Levittown.
A 21-year-old Doylestown man is in police custody in Baltimore.
Investigators say a man who was killed by police, killed his ex-wife. That woman’s daughter and a Northampton Township police officer were also injured.
Authorities in Bucks County say a well-known local musician found shot to death inside his Levittown home Wednesday night was murdered.