Philadelphia police tell media outlets the first happened around 12:30 a.m. when a 17-year-old boy was shot in the head after getting into an argument at a house party in West Philadelphia. Officers tell WPVI-TV two armed men were taken into custody a few blocks away, and a gun was found near the shooting scene.
WCAU-TV reports a man was shot and killed about two hours later along a street in the city's Frankford section. Police tell the station the death may be connected to a fight in the area.
Media outlets report there were 329 homicides in 2012 in Philadelphia, up from 324 in 2011.