Police in Philadelphia were busy early Sunday as at least three shootings across the city left one man dead and a number of others -- including teens at a house party -- injured.
The violent Sunday began when officers responded to a reported shooting just after midnight along the 3600 block of Warnock Street in North Philadelphia when, officials said, at about midnight, officers found a 22-year-old man who had been shot in the head, right behind his ear.
He was pronounced on the scene at about 12:07 a.m., according to law enforcement officials.
On Monday, law enforcement officials identified the man as Destin Santana, who lived in that neighborhood.
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Officials said the motive for this incident appears to be robbery, however, there have been no arrests and an investigation is ongoing.

Then, just about an hour later, at about 1 a.m. police responded after a reported shooting along the 1900 block of W. Godfrey Avenue in the city's East Germantown neighborhood, after, officials said, a 35-year-old man was shot in the back.
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This man was taken to a nearby hospital where he was placed in critical condition, police said.
This shooting, too, remains under investigation.

Just about a half hour later, at 1:30 a.m., police responded after officers heard gunfire at a party in a home near the intersection of N. 19th and W. Diamond streets in North Philadelphia.
Philadelphia Police Captain Anthony Ginaldi said that officers saw the crowd running from the home after hearing gunshots and they found three people suffering from gunshot wounds at the scene.
"We don't know what the reason for the shooting is right now," he said. "We believe it was some kind of Airbnb party or some type of private party."
Though Ginaldi mentioned that it may have been an Airbnb, a spokesperson with that company told NBC10 they do not have a property at that address.
Inside, Ginaldi said that officers found a 15-year-old girl who had a wound on the back of her head, where they believe she was grazed by a bullet, a 17-year-old boy who was struck in his head and arm and an 18-year-old man who was shot in the arm.
All three were taken to a nearby hospital and Ginaldi said, the man and the teen girl were listed in stable condition while the 17-year-old boy was listed in critical condition.
According to Ginaldi, police believe the gunman fired at the house from a vacant lot across the street.
"We believe somebody brought a gun to a party and it got out of control," he said.
In this incident, he said, officials have made no arrests, but an investigation is ongoing.
There are additional resources for people or communities that have endured gun violence in Philadelphia. Further information can be found here.
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