The US said Israel has not violated Joe Biden's red line even as it condemned the loss of life of dozens of civilians in the Israeli airstrike in Rafah.
National Security Council spokesman John Kirby said Israel had not violated Biden's red line for withholding future offensive arms transfers because it has not, and it appears to the US that it will not, launch a full-scale ground invasion into the city.
He said the US does not believe Israel launched a full-scale invasion of Rafah, but described images from the aftermath of the strike "horrific".
The US state department said it was watching closely for the Israel military to hold a thorough probe into the airstrike.