Iran and the United States will hold talks Friday in Rome, their fifth round of negotiations over Tehran’s rapidly advancing nuclear program.

The United States would bear legal responsibility in the event of an Israeli attack on Iranian nuclear facilities, Foreign Minister Abbas Araqchi said on Thursday, following a CNN report that Israel might be preparing strikes on Iran.

A round of U.S-Iran talks has been announced to take place in Italy as tensions loom over negotiations for a new nuclear agreement. Newsweek has contacted the U.S. State Department and the Iranian Foreign Ministry for comment.