Claremont Park, Mount Hope, Riverbank State Park and Norwood all saw shootings over the violent weekend.
The child, who has been identified, was taken to a hospital, where he was pronounced dead.
The NYPD says a shooting victim sprayed an attacker with gas during an attempted robbery at a gas station, surveillance shows.
Police say the victim was stabbed in the cheek and forehead.
The children, an 11-month-old boy and a 3-year-old boy, were found in a family shelter in Mount Hope with multiple stab wounds to the neck and torso.
A New York City corrections officer has been arrested and charged with fatally shooting an 18-year-old in the Bronx.
A man allegedly stabbed a subway rider who accidentally touched him while sitting down on a train.
Authorities say when two off-duty officers responded to a shooting near their precinct, the 24-year-old son opened fire on them. The officers fired back, striking and killing the 24-year-old.
A 16-year-old boy was shot in the head and chest while sitting in a cab in the Mount Hope section of the Bronx, one of a string of killings in New York City over the weekend.
Two men were killed and another was wounded after a pair of shootings in the Bronx overnight, according to the NYPD.
An eight-year-old boy from the Bronx was reported missing as a snow storm hit New York City Monday.