The strikes happened Thursday and Friday on the Syrian village of Bir Mahli.
The Britain-based Syrian Observatory for Human Rights said Saturday that the strikes on the village near Kobani killed 52, including seven children and nine women. On Saturday, Maj. Curtis Kellogg, a spokesman for U.S. Central Command, told The Associated Press that there was no information to corroborate the Observatory's claims. However, Kellogg said: "We take all allegations seriously and will look into them further."
The U.S.-led coalition earlier said its strikes near Kobani during that time destroyed seven Islamic State positions and one vehicle.