According to media reports
the young woman was posing for a picture with a friend when she climbed over the railing at Table Rock. As she stood up to return to safety she lost her footing and fell into the water reports Niagara Parks Police.
The area that the woman fell is around 20 metres from the falls. She was seen going over the falls at 8:30 p.m. Her fall was recorded by security cameras.
Emergency crews from the police, fire and EMS services in the area searched the waters using special lights and thermal-imaging rescue equipment. The search continued Monday morning.
There is little chance that the woman survived the fall.
The Japanese consulate is working to notify her next of kin.
reports that while searching for the missing woman's body Eric County (N.Y.) Sheriff's Department recovered a male body from the American side of the falls. The investigators are now looking into the man's death. The man is not related to the other search.