A 3-year old Manhattan girl was killed Sunday when her sister inadvertently pushed a sofa bed, which folded with the girl inside, the NYPD said.

Aissante Diallo was lying in the sofa bed with her 10-year old sister in their Harlem home, police said.

"Then the 5-year-old sister pushed the sofa bed in and it folded up on her," said a spokeswoman for the NYPD.

The oldest sister escaped unharmed, except for a few bumps and bruises, police said.

Police arrested the girls' mother's live-in boyfriend, Mohamed Barry, who was watching the girls, and charged him with endangering the welfare of a child.

The children's mother was not home at the time.

It seems shark sightings are dominating headlines on Long Island and researchers are on a quest to find out why more sharks are showing up in Long Island waters. NewsdayTV meteorologist Rich Von Ohlen discusses how to stay safe.  Credit: Newsday/A. J. Singh; Gary Licker

'Beneath the Surface': A look at the rise in shark sightings off LI shores It seems shark sightings are dominating headlines on Long Island and researchers are on a quest to find out why more sharks are showing up in Long Island waters. NewsdayTV meteorologist Rich Von Ohlen discusses how to stay safe. 

It seems shark sightings are dominating headlines on Long Island and researchers are on a quest to find out why more sharks are showing up in Long Island waters. NewsdayTV meteorologist Rich Von Ohlen discusses how to stay safe.  Credit: Newsday/A. J. Singh; Gary Licker

'Beneath the Surface': A look at the rise in shark sightings off LI shores It seems shark sightings are dominating headlines on Long Island and researchers are on a quest to find out why more sharks are showing up in Long Island waters. NewsdayTV meteorologist Rich Von Ohlen discusses how to stay safe. 

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