The hunt is over for a mother who was seen abandoning her baby on a hot train platform in New York.

READ: MOTHER OF TODDLER WHO DIED AFTER BEING LEFT IN CAR FOR SEVEN HOURS 'UNDER INVESTIGATION'

Witnesses saw the woman, believed to be in her 20s or 30s, pushing a pushchair out of a train at about 11:50am.

The woman then darted back on the train just before the doors shut, leaving the 7-month-old baby girl on her own.

According to WPIX-TV, a person who was on the platform when this happened stayed with the baby for about 20 minutes, thinking the mother would come back. When she didn’t, this person called the police.

READ: TERRIFIED MAN REVEALS 'DEAD GIRLFRIEND' HAS BEEN MESSAGING HIM ON FACEBOOK: "HELP ME"

Police launched an appeal on Twitter, asking the public for help identifying the little girl and her mother.

Hours after the incident, New York City police apprehended the woman and took her in for questioning.

No charges were immediately filed and the investigation is still underway.

READ: FATHER OF HOT CAR DEATH TODDLER WAS SEXTING TEENAGER ON THE DAY SON DIED

The baby was examined at Roosevelt Hospital where staff found no apparent signs of trauma. She is currently in the care of child protective services