Tehran’s position, one official said, was that, “we never left the negotiating table, but no negotiations while we are under fire.”

The death toll is growing as Israel and Iran exchanged missile attacks for a third consecutive day on Sunday, and Israel is warning that worse is to come.

Israel unleashed airstrikes across Iran for a third day Sunday and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country.

At least 224 people have been killed since Israel began bombing Iran on Friday, Iranian state media reported, while Iranian retaliatory strikes have killed at least 24 people in Israel.

“It’s possible we could get involved,” Trump said in an interview with ABC News on Sunday.

U.S. President Donald Trump on Monday night cut short his participation at the G7 summit to leave Alberta, Canada, and returned to Washington, D.C., to focus on the conflict between Israel and Iran. French President Emmanual Macron announced Trump had made a cease-fire offer between the two countries.

If there is a shared mission at this year’s G7 summit, which begins Monday in Canada’s Rocky Mountains, it is a desire to minimize any fireworks at a moment of combustible tensions.

The escalation between the two regional foes is on the agenda, with diplomatic sources saying they hope to achieve at least a joint statement to urge restraint and a return to diplomacy.