Pennsylvania

Explosions rock Philadelphia in refinery fire. Video, 00:00:41Explosions rock Philadelphia in refinery fire

FBI arrests Syrian refugee for church bomb plot

16,000 tonnes of steel gone in 16 seconds. Video, 00:00:4116,000 tonnes of steel gone in 16 seconds

Over-the-limit pilot could fly again

US college 'rape attic' fraternities disband

Leading photographer remembered in film

US woman killed after meat grinder fall

Protests over acquittal in police shooting

Policeman acquitted of killing black teen

Wood wins £25.8m US gas pipeline deal

Armed standoff ends after officer sings

How a US mascot became a viral sensation

Jewish nurse 'didn't see evil' in gunman

Vigil for Pittsburgh attack victims

Pittsburgh shooting: Who were the victims?

'I'm now more aware of being Jewish'

Survivors relive US synagogue ordeal

Victims of Pittsburgh attack named

What we know about the Pittsburgh shooting

'Synagogue shooter' charged with murder

Pittsburgh shooting: Crowds sing at vigil. Video, 00:00:33Pittsburgh shooting: Crowds sing at vigil

Deadly shooting at Pittsburgh synagogue