New Delhi (CNN) Sharp kite strings have killed three people in India in a single day, according to police.

A 4-year-old boy had his throat slit while he was looking out of a car's sunroof and a 22-year-old man received a lethal cut on his neck while riding a motorbike on August 15, according to Pushpendra Kumar, the deputy commissioner of the West Delhi Police.

The same day, a 3-year-old girl looking out the sunroof was strangled by a kite string which cut her neck, according to a deputy commissioner of North West Delhi Police.

All three were killed by Manja, a type of kite string made with glass.

An Indian youth prepares "manja," a strong string coated with powdered glass or other abrasives and used to fly kites, in Allahabad on April 9, 2013.

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