The gas project was part of an energy deal discussed by U.S. peace envoys Steve Witkoff and Jared Kushner during their September visit to the Kremlin, sources told the New York Times.
One of the injured victims is an 11-year-old girl. Five wounded individuals are being treated in the hospital, with two in serious condition and undergoing surgery.
The president made the comment in an interview with ABC News two days after U.S. Envoy Steve Witkoff praised Vladimir Putin as "a humanitarian." Hours later, Russia struck Kyiv with ballistic missiles and cluster munitions.