The first weekend of October ended with four deaths and 13 wounded in gun violence across the city of Chicago that began on Friday. 
The latest victim in the string of attacks was in his late 20s and found dead in an alley Sunday morning, according to NBC Chicago. 

A 36-year-old man was struck in the head and the abdomen, after an argument with another man Friday about 7:50 p.m., according to the Chicago Tribune. The man tried to escape gunfire by running across the street. He was taken to the hospital, where he was later pronounced dead.
On Saturday afternoon, two 19-year-old men were shot. One of them was struck in the head and died later after he was taken to the hospital. Another victim, a 46-year-old man, was killed after he was shot in the head while standing outside. 
A 22-year-old man and 16-year-old girl were among the wounded. They were shot while sitting on a porch. Another teen, 15, was struck in the back and leg while he was standing in an alley. 

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 (Photo: Scott Olson/Getty Images)