Biden speaks with families of Americans unaccounted for in Israel

President Joe Biden on Friday spoke with the families of the Americans who remain unaccounted for in Israel after promising to speak with family members of those who are held hostage by Hamas.

During a speech in Philadelphia Friday afternoon, Biden recounted the conversation.

"They're going through agony not knowing what the status of their sons, daughters, husbands, wives, children are," he said. "You know, it's gut wrenching. I assured them my personal commitment to do everything possible, everything possible" to ensure the Americans' return.

National Security Council coordinator for strategic communications John Kirby told reporters that Biden "conveyed directly to these families that they have been in his prayers and we affirmed for them that the United States government is doing everything possible to locate and bring home their loved ones."

The call was led by special presidential envoy for hostage affairs Roger Carstens, Kirby said.

"Several of the family members shared information about their loved ones - personal stories and experiences that they have gone through as they endure this, quite frankly, unimaginable ordeal," Kirby said.

In a clip of an interview with CBS' "60 Minutes" that aired Friday, Biden promised to speak with the families.