A man was shot and killed in Southwest Philadelphia on Sunday afternoon, police said.
Police said a 24-year-old man was shot in the head on the 2100 block of Cemetery Avenue around 4:30 p.m.
Investigators said they didn't find any shell casings at the scene.
Heavy downpours at the time of the shooting may have washed evidence into storm pipes, according to police.
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As of Sunday night no arrest had been made.
A half hour earlier in West Philadelphia, a 13-year-old boy accidentally shot himself in the groin, police said.
Investigators said they believe the teen had the gun in either his waistband or pocket when it discharged.
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It happened at 58th and Vine streets at about 4 p.m., Philadelphia police said. The boy was taken to the hospital and listed in stable condition.
Entering Sunday, there were at least 376 homicides in Philadelphia this year, up 2% from the same time last year which was ultimately the deadliest in the city on record.
At least 158 of Philadelphia's shooting victims are children – about 12% of all shooting victims in 2022 -- according to the city controller's office.
There are additional resources for people or communities that have endured gun violence in Philadelphia. Further information can be found here.