The mother, 35, was detained after her son's death on Monday, police said.
The 57-year-old man went into cardiac arrest during the 13.1 mile race on Sunday.
The man suffered from a heart attack Thursday aboard a barge floating near Breezy Point.
A man suffered a cardiac arrest after he was a hit by an M train, officials said.
Reid Naizer, 2, was found dead on Feb 4.
A 4-year-old was rushed to the hospital Monday night after the girl stopped breathing, officials said.
The victim was transported to Bellevue Hospital in cardiac arrest.
The dispute happened in an ambulance holding a female heart attack victim near the Barclays Center.
A student at Benjamin Cardozo high school was rushed to the hospital in cardiac arrest, officials say.
A 30-year-old man died in a fire at 1385 Fifth Avenue about 4:15 a.m., FDNY officials said.
Wislairs Mentor was charged with driving with a suspended license after Thursday's accident, police said.
Lisette Ventura, 46, was killed in the crash at Broadway and 135th Street, police said.
Jack Montelbano has been charged with a hit-and-run that killed 69-year-old Shu Ying Liu, cops said.
Louis Friend, 82, was struck at Union Turnpike and 265th Street by a Honda CRV about 6 p.m., police said.
Luis Enriquez, 62, stepped out of his delivery truck near West 73rd Street when he was hit, sources said.
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